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{{Short description|Societal goal and normative concept}}
{{For|other uses of the term "Sustain"|Sustain (disambiguation)}}
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'''Sustainability''' is a social goal for people to co-exist on ] over a long period of time. Definitions of this term are disputed and have varied with literature, context, and time.<ref name="Ramsey-2015">{{Cite journal |last=Ramsey |first=Jeffry L. |date=2015 |title=On Not Defining Sustainability |url=http://link.springer.com/10.1007/s10806-015-9578-3 |journal=Journal of Agricultural and Environmental Ethics |language=en |volume=28 |issue=6 |pages=1075–1087 |doi=10.1007/s10806-015-9578-3 |bibcode=2015JAEE...28.1075R |issn=1187-7863 |s2cid=146790960}}</ref><ref name="Purvis" /> Sustainability usually has three dimensions (or pillars): environmental, economic, and social.<ref name="Purvis" /> Many definitions emphasize the environmental dimension.<ref name="Kotze-2022">{{cite book |last1=Kotzé |first1=Louis J. |date=2022 |title=The Political Impact of the Sustainable Development Goals: Transforming Governance Through Global Goals? |pages=140–171 |editor-last=Sénit |editor-first=Carole-Anne |place=Cambridge |publisher=Cambridge University Press |doi=10.1017/9781009082945.007 |isbn=978-1-316-51429-0 |last2=Kim |first2=Rakhyun E. |last3=Burdon |first3=Peter |last4=du Toit |first4=Louise |last5=Glass |first5=Lisa-Maria |last6=Kashwan |first6=Prakash |last7=Liverman |first7=Diana |last8=Montesano |first8=Francesco S. |last9=Rantala |first9=Salla |chapter=Planetary Integrity |editor2-last=Biermann |editor2-first=Frank |editor3-last=Hickmann |editor3-first=Thomas |doi-access=free}}</ref><ref name="Bosselmann-2010" /> This can include addressing key ], including ] and ]. The idea of sustainability can guide decisions at the global, national, organizational, and individual levels.<ref name="Berg-2020" /> A related concept is that of ], and the terms are often used to mean the same thing.<ref name="EB-2022">{{Cite news |title=Sustainability |url=https://www.britannica.com/science/sustainability |access-date=31 March 2022 |newspaper=Encyclopedia Britannica}}</ref> ] distinguishes the two like this: "''Sustainability'' is often thought of as a long-term goal (i.e. a more sustainable world), while ''sustainable development'' refers to the many processes and pathways to achieve it."<ref name="UNESCO-2015">{{Cite web |date=2015-08-03 |title=Sustainable Development |url=https://en.unesco.org/themes/education-sustainable-development/what-is-esd/sd |access-date=20 January 2022 |website=UNESCO |language=en}}</ref>
]


Details around the economic dimension of sustainability are controversial.<ref name="Purvis" /> Scholars have discussed this under the concept of '']''. For example, there will always be tension between the ideas of "welfare and prosperity for all" and ],<ref name="Kuhlman-2010">{{Cite journal |last1=Kuhlman |first1=Tom |last2=Farrington |first2=John |date=2010 |title=What is Sustainability? |journal=Sustainability |language=en |volume=2 |issue=11 |pages=3436–3448 |doi=10.3390/su2113436 |issn=2071-1050 |doi-access=free}}</ref><ref name="Purvis" /> so ]s are necessary. It would be desirable to find ways that ].<ref>{{Cite web |last=Nelson |first=Anitra |date=2024-01-31 |title=Degrowth as a Concept and Practice: Introduction |url=https://commonslibrary.org/degrowth-as-a-concept-and-practice-introduction/ |access-date=2024-02-23 |website=The Commons Social Change Library |language=en-AU}}</ref> This means using fewer resources per unit of output even while growing the economy.<ref name="UNEP2011" /> This decoupling reduces the environmental impact of economic growth, such as ]. Doing this is difficult.<ref name="Vaden-2020">{{Cite journal |last1=Vadén |first1=T. |last2=Lähde |first2=V. |last3=Majava |first3=A. |last4=Järvensivu |first4=P. |last5=Toivanen |first5=T. |last6=Hakala |first6=E. |last7=Eronen |first7=J.T. |date=2020 |title=Decoupling for ecological sustainability: A categorisation and review of research literature |journal=Environmental Science & Policy |language=en |volume=112 |pages=236–244 |bibcode=2020ESPol.112..236V |doi=10.1016/j.envsci.2020.06.016 |pmc=7330600 |pmid=32834777}}</ref><ref name="Parrique T-2019" /> Some experts say there is no evidence that such a decoupling is happening at the required scale.<ref>Parrique, T., Barth, J., Briens, F., Kerschner, C., Kraus-Polk, A., Kuokkanen, A., & Spangenberg, J. H. (2019). Decoupling debunked. ''Evidence and arguments against green growth as a sole strategy for sustainability. A study edited by the European Environment Bureau EEB''.</ref>
'''Sustainability''' is the ability to endure or maintain over time. It can be defined in biological terms as the ability of an ecosystem to maintain ecological processes, functions, biodiversity and productivity over time.<ref></ref>


It is challenging to ] as the concept is complex, contextual, and dynamic.<ref>{{Cite book |last=Hardyment |first=Richard |title=Measuring Good Business: Making Sense of Environmental, Social & Governance Data |date=2024 |publisher=Routledge |isbn=9781032601199 |location=Abingdon}}</ref> Indicators have been developed to cover the environment, society, or the economy but there is no fixed definition of ''sustainability indicators''.<ref>{{Cite book |last1=Bell |first1=Simon |url=https://www.routledge.com/Sustainability-Indicators-Measuring-the-Immeasurable/Bell-Morse/p/book/9781844072996 |title=Sustainability Indicators: Measuring the Immeasurable? |last2=Morse |first2=Stephen |date=2012 |publisher=Routledge |isbn=978-1-84407-299-6 |location=Abington |publication-date=2012 |language=en}}</ref> The metrics are evolving and include ], benchmarks and audits. They include ] systems like ] and ]. They also involve indices and accounting systems such as corporate ] and ].
The word 'sustainability' has become a wide-ranging term that can be applied to many facets of life on ], from a local to a global scale and over various time periods. Long-lived and healthy ] and ] are examples of sustainable biological systems. Invisible ] redistribute water, oxygen, nitrogen and carbon through the world's living and non-living systems, and have sustained life for millions of years. As the earth’s human population has increased, natural ] have declined and changes in the balance of natural cycles has had a negative impact on both humans and other living systems.


It is necessary to address many barriers to sustainability to achieve a ''sustainability transition'' or ''sustainability transformation''.<ref name="Berg-2020" />{{rp|34}}<ref name="Howes-2017" /> Some barriers arise from nature and its complexity while others are ''extrinsic'' to the concept of sustainability. For example, they can result from the dominant institutional frameworks in countries.
Scientific evidence shows that humanity is not living in a sustainable manner.<ref> Retrieved September-27-09</ref>
Efforts to live more sustainably can take many forms from reorganizing living conditions (e.g., ], ] and ]), reappraising economic sectors (], ]), or work practices (]), using science to develop new technologies (], ]), to adjustments in individual ].


Global issues of sustainability are difficult to tackle as they need global solutions. Existing global organizations such as the ] and ] are seen as inefficient in enforcing current global regulations. One reason for this is the lack of suitable ].<ref name="Berg-2020" />{{rp|135–145}} Governments are not the only sources of action for sustainability. For example, business groups have tried to integrate ecological concerns with economic activity, seeking ].<ref name="Kinsley-1997" /><ref name="Callenbach-2011" /> Religious leaders have stressed the need for caring for nature and environmental stability. Individuals can also ].<ref name="Berg-2020" />
==Definition==
Report of the IUCN Renowned Thinkers Meeting, 29–31 January, 2006. Retrieved on: 2009-02-16.</ref>]]
Definitions of sustainability may be expressed as statements of fact, intent, or value with sustainability treated as either a "journey" or "destination".<ref>Markus J., Milne M.K., Kearins, K., & Walton, S. (2006). '''''Organization'' '''13(6)''': 801-839. Retrieved on 2009-09-23.</ref> Where we are now, where we need to be going, and how we are to get there are all open to interpretation<ref>Holling, C. S. (2000). ''Conservation Ecology'' '''4(2)''': 7. Retrieved on: 2009-02-24.</ref> and will depend on the particular context under consideration.<ref>UNESCO. Retrieved on: 2009-04-14.</ref> What can meaningfully be described as sustainable will depend on the scale of space and time that is appropriate to the item under consideration. For example, if time criteria have not been met, then assertions of sustainability are more like predictions than definitions.<ref>Costanza, R. & Patten, B.C. (1995). "Defining and predicting sustainability." ''Ecological Economics''''' 15 (3)''': 193–196.</ref> This difficult mix has been described as a "dialogue of values that defies consensual definition".<ref>Ratner, B.D. (2004). "Sustainability as a Dialogue of Values: Challenges to the Sociology of Development." ''Sociological Inquiry'' '''74(1)''': 50–69.</ref> Sustainability has been regarded as both an important but unfocused concept like "liberty" or "justice"<ref>Pearce et al. (2000).</ref><ref>Blewitt (2008) pp. 21-24.</ref> and as a feel-good buzzword with little meaning or substance.<ref>Dunning, B. (2006). ''Skeptoid.'' Retrieved on: 2009-02-16.</ref><ref> Marshall, J.D. & Toffel, M.W. (2005). "Framing the Elusive Concept of Sustainability: A Sustainability Hierarchy." ''Environmental & Scientific Technology'' '''39(3)''': 673–682.</ref> The idea of ] is sometimes viewed as an ] because development inevitably depletes and degrades the environment.<ref>Redclift, M. (2005). "Sustainable Development (1987–2005): an Oxymoron Comes of Age." ''Sustainable Development'' '''13(4)''': 212–227.</ref> Consequently some definitions either avoid the word ''development'' and use the term ''sustainability'' exclusively, or emphasise the environmental component, as in "] development".<ref>] (1994) Serageldin, I., Steer, A. (eds) World Bank Report Number: 13520. Retrieved on: 2009-02-24.</ref>
In: Ott, K. & P. Thapa (eds.) (2003).''Greifswald’s Environmental Ethics.'' Greifswald: Steinbecker Verlag Ulrich Rose. ISBN 3931483320. Retrieved on: 2009-02-16.</ref>]]
The dimensions of sustainability are often taken to be: ], ] and ], known as the "three pillars".<ref>] (2005). , Resolution A/60/1, adopted by the General Assembly on 15 September 2005. Retrieved on: 2009-02-17.</ref> These can be depicted as three overlapping circles (or ellipses), to show that they are not mutually exclusive and can be mutually reinforcing.</font><ref>] of Great Britain. . Retrieved on: 2009-03-09</ref> While this model initially improved the standing of environmental concerns,<ref>Ott, K. and P. Thapa (2003) Steinbeckerverlag Rose ISBN 3931483320. Retrieved on: 2009-02-24.</ref> it has since been criticised for not adequately showing that societies and economies are fundamentally reliant on the natural world. According to English environmentalist and author ], "The economy is, in the first instance, a subsystem of human society ... which is itself, in the second instance, a subsystem of the totality of life on Earth (the biosphere). And no subsystem can expand beyond the capacity of the total system of which it is a part".<ref>Porritt (2006) p. 46.</ref> For this reason a second diagram shows economy as a component of society, both bounded by, and dependent upon, the environment. As the American World Bank ecological economist ] famously asked, "what use is a sawmill without a forest?"<ref>Daly & Cobb (1989).</ref> The concept of living within environmental constraints yields a definition of sustainable development: "improving the quality of human life while living within the carrying capacity of supporting eco-systems".<ref name = caring>]/]/] (1991). Gland, Switzerland. Retrieved on: 2009-03-29.</ref>


Some people have criticized the idea of sustainability. One point of criticism is that the concept is vague and only a ].<ref>{{Cite journal |last1=Apetrei |first1=Cristina I. |last2=Caniglia |first2=Guido |last3=von Wehrden |first3=Henrik |last4=Lang |first4=Daniel J. |date=2021-05-01 |title=Just another buzzword? A systematic literature review of knowledge-related concepts in sustainability science |journal=Global Environmental Change |volume=68 |pages=102222 |doi=10.1016/j.gloenvcha.2021.102222 |issn=0959-3780|doi-access=free |bibcode=2021GEC....6802222A }}</ref><ref name="Purvis" /> Another is that sustainability might be an impossible goal.<ref name="Melinda Harm">{{Cite journal |last1=Benson |first1=Melinda Harm |last2=Craig |first2=Robin Kundis |date=2014 |title=End of Sustainability |url=http://www.tandfonline.com/doi/abs/10.1080/08941920.2014.901467 |journal=Society & Natural Resources |language=en |volume=27 |issue=7 |pages=777–782 |doi=10.1080/08941920.2014.901467 |bibcode=2014SNatR..27..777B |issn=0894-1920 |s2cid=67783261}}</ref> Some experts have pointed out that "no country is delivering what its citizens need without transgressing the biophysical planetary boundaries".<ref name="Stockholm+50-2022">{{Cite report |date=2022-05-18 |title=Stockholm+50: Unlocking a Better Future |url=https://www.sei.org/publications/stockholm50-unlocking-better-future |work=Stockholm Environment Institute |doi=10.51414/sei2022.011 |s2cid=248881465|doi-access=free }}</ref>{{rp||page=11}}
The ] goes beyond defining what sustainability is, and seeks to establish the values and direction needed to achieve it: "We must join together to bring forth a sustainable global society founded on respect for nature, universal human rights, economic justice, and a culture of peace. Towards this end, it is imperative that we, the peoples of Earth, declare our responsibility to one another, to the greater community of life, and to future generations."<ref name="EarthCharter">The Earth Charter Initiative (2000). Retrieved on: 2009-04-05.</ref>


{{TOC limit|3}}
==History==
{{Main|History of sustainability}}
In early human history the environmental impacts of small bands of hunter-gatherers would have been relatively small, even though the use of fire and the desire for specific foods may have altered the natural composition of plant and animal communities.<ref>Scholes, R. (2003). . Beyond Productions in association with S4C and S4C International. Australian Broadcasting Corporation. Retrieved on: 2009-04-16.</ref> With the Neolithic Revolution 8,000 and 10,000 years ago came the emergence of ] and settled communities. Societies outgrowing their local food supply or depleting critical resources either moved on or faced collapse. In contrast, stable communities of ] and ] existed in ] and ], and large agrarian communities in ], ], ] and elsewhere have farmed in the same localities for centuries.<ref name=collapse>Diamond (2005).</ref><ref>Wright (2004).</ref>


== Definitions ==
Technological advances over several millennia gave humans increasing control over the environment. But it was the Western ] of the 17th to 19th centuries that tapped into the vast growth potential of the energy in ] to power sophisticated machinery technology.<ref>Hilgenkamp, K. (2005). .London: Jones & Bartlett. ISBN 9780763723774.</ref> These conditions led to a human ] and unprecedented industrial, technological and scientific growth that has continued to this day. From 1650 to 1850 the global population doubled from around 500 million to 1 billion people.<ref>Goudie (2005) p.?.</ref> By the 20th century, the industrial revolution had resulted in an exponential increase in the human consumption of resources and an increase in health, wealth and population. ] as a new scientific discipline was gaining general acceptance and ideas now part and parcel to sustainability were being explored including the recognition of the interconnectedness of living systems, the importance of global ], the passage of energy through ] of living systems.<ref>Worster, D (1994) "Nature's economy: a history of ecological ideas". Cambridge: Cambridge University Press. ISBN 0521468345</ref>
=== Current usage ===
Sustainability is regarded as a "]".<ref name="Berg-2020" /><ref name="Scoones-2016">{{Cite journal |last=Scoones |first=Ian |date=2016 |title=The Politics of Sustainability and Development |journal=Annual Review of Environment and Resources |language=en |volume=41 |issue=1 |pages=293–319 |doi=10.1146/annurev-environ-110615-090039 |issn=1543-5938 |s2cid=156534921|doi-access=free }}</ref><ref name="Harrington-2016">{{Cite journal |last=Harrington |first=Lisa M. Butler |date=2016 |title=Sustainability Theory and Conceptual Considerations: A Review of Key Ideas for Sustainability, and the Rural Context |url=https://www.researchgate.net/publication/309619897 |journal=Papers in Applied Geography |language=en |volume=2 |issue=4 |pages=365–382 |doi=10.1080/23754931.2016.1239222 |bibcode=2016PAGeo...2..365H |issn=2375-4931 |s2cid=132458202}}</ref><ref name="Ramsey-2015" /> This means it is based on what people value or find desirable: "The quest for sustainability involves connecting what is known through scientific study to applications in pursuit of what people want for the future."<ref name="Harrington-2016" />


The 1983 UN Commission on Environment and Development (]) had a big influence on the use of the term ''sustainability'' today. The commission's 1987 Brundtland Report provided a definition of ]. The report, '']'', defines it as development that "meets the needs of the present without compromising the ability of ] to meet their own needs".<ref name="UNGA-1987">United Nations General Assembly (1987) . Transmitted to the General Assembly as an Annex to document A/42/427 – Development and International Co-operation: Environment.</ref><ref name="UNGA-1987a">{{Cite web |last=United Nations General Assembly |date=20 March 1987 |title=''Report of the World Commission on Environment and Development: Our Common Future''; Transmitted to the General Assembly as an Annex to document A/42/427 – Development and International Co-operation: Environment; Our Common Future, Chapter 2: Towards Sustainable Development; Paragraph 1 |url=http://www.un-documents.net/ocf-02.htm |access-date=1 March 2010 |publisher=]}}</ref> The report helped bring ''sustainability'' into the mainstream of policy discussions. It also popularized the concept of ''sustainable development''.<ref name="Purvis">{{Cite journal |last1=Purvis |first1=Ben |last2=Mao |first2=Yong |last3=Robinson |first3=Darren |date=2019 |title=Three pillars of sustainability: in search of conceptual origins |journal=Sustainability Science |language=en |volume=14 |issue=3 |pages=681–695 |doi=10.1007/s11625-018-0627-5 |bibcode=2019SuSc...14..681P |issn=1862-4065 |doi-access=free}} ] Text was copied from this source, which is available under a </ref>
After the deprivations of the ] and World War II the ] entered a post-1950s "great acceleration” of growth and population (the "]") while a gathering ] pointed out that there were environmental costs associated with the many material benefits that were now being enjoyed. Technological innovations included plastics, synthetic chemicals and nuclear energy as fossil fuels also continued to transform society. The negative influences of the new technology were documented by American marine biologist and naturalist ] in her influential book '']'' in 1962. A period of ] production was anticipated in 1956 by American geoscientist ] peak oil theory.<ref>Grove, N. (1974). ''].'' Retrieved on: 2009-03-29.</ref> In the 1970s environmentalism's concern with pollution, the population explosion, consumerism and the depletion of finite resources found expression in ''Is growth obsolete?'', by American economists ] and ],<ref>Nordhaus & Tobin (1972).</ref> ''],'' by British economist ] in 1973, and '']'' published by the global think tank, the ], in 1975. By the late twentieth century environmental problems were becoming global in scale.<ref>Meadows et al. (1972).</ref><ref name=LPR> World Wide Fund for Nature (2008). . Retrieved on: 2009-03-29.</ref><ref>Millennium Ecosystem Assessment (2005). World Resources Institute, Washington, DC. pp. 1-85. Retrieved on: 2009-07-08-01.</ref><ref>Turner, G.M. (2008). ''Global Environmental Change'' '''18''': 397–411. Online version published by CSIRO Sustainable Ecosystems. Retrieved on: 2009-01-03</ref> and the 1973 and 1979 energy crises demonstrated the extent to which the global community had become dependent on a nonrenewable resource.


Some other key concepts to illustrate the meaning of sustainability include:<ref name="Harrington-2016" />
In 1987 the ] ] (the Brundtland Commission), in its report ''Our Common Future'' suggested that ] was needed to meet human needs while not increasing environmental problems. In 1961 almost all countries in the world had the capacity to meet their own demand but by 2005 the situation had changed and many countries were able to meet their needs only by importing resources from other nations.<ref name = LPR/> A move toward more ] emerged, based on increasing public awareness and adoption of ], and ]. The development of renewable sources of energy in the 1970s and 80's, primarily in ] and ] and increased use of ], presented more sustainable alternatives to fossil fuel and ] generation.<ref>Southface Energy and Environmental Resource Center. . Retrieved on: 2009-04-07.</ref><ref>Dodge, D. . TelosNet. Retrieved on: 2009-04-07.</ref>
* It may be a ] but in a positive sense: the goals are more important than the approaches or means applied;
* It connects with other essential concepts such as resilience, ], and ].
* Choices matter: "it is not possible to sustain everything, everywhere, forever";
* Scale matters in both space and time, and place matters;
* Limits exist (see ]).


In everyday usage, ''sustainability'' often focuses on the environmental dimension.{{Citation needed|date=June 2024}}
In the 21st century there is heightened awareness of the threat posed by the human-induced ].<ref>U.S. Department of Commerce. . NOAA Earth System Research Laboratory. Retrieved on: 2009-03-14 </ref><ref>BBC News (August 2008). BBC News, UK. Retrieved on: 2009-03-14</ref> ] now seeks to bridge the gap between ecology and traditional ]:<ref>Golubiewski, N. & Cleveland, C. (eds.) ''The Encyclopedia of Earth,'' Chapter 3. Retrieved on: 2009-04-01.</ref><ref name=EarlyHistory>Costanza R. (2003). ''Internet Encyclopaedia of Ecological Economics.'' Retrieved on: 2009-04-01</ref> and proposes an inclusive and ethical economic model for society. Many new techniques have arisen to help measure and implement sustainability, including ] (the ], the ], and ].<ref>Blewitt (2008).</ref> The work of ] and ] amongst many others, has brought some of the cultural knowledge of traditional, sustainable agrarian societies into the academic discourse on sustainability, and blended that knowledge with modern scientific principles.<ref>Ganguly, M. Time.com, Heros for the Green Century. Retrieved on: 2009-04-01.</ref>


==== Specific definitions ====
==Principles and concepts==
Scholars say that a single specific definition of sustainability may never be possible. But the concept is still useful.<ref name="Ramsey-2015" /><ref name="Harrington-2016" /> There have been attempts to define it, for example:
] and ]<ref> Komiyama H. , Takeuchi K. (2006). "Sustainability science: building a new discipline." ''Sustainability Science'' '''1''':1–6.</ref> form the basis for much of the philosophical and analytic framework of sustainability.<ref>Loorbach, D. (2007). ''Sustainability: Science, Practice, & Policy'' '''3'''(2):1–4. Retrieved on: 2009-04-22.</ref> Quantitative data is collected through ] and this data is then used in governance for sustainability.<ref>UN Department of Economic and Social Development (1992). ], Section IV - Means of Implementation. Chapter 40. Retrieved on: 2009-07-08.</ref>
* "Sustainability can be defined as the capacity to maintain or improve the state and availability of desirable materials or conditions over the long term."<ref name="Harrington-2016" />
* "Sustainability the long-term viability of a community, set of social institutions, or societal practice. In general, sustainability is understood as a form of intergenerational ethics in which the environmental and economic actions taken by present persons do not diminish the opportunities of future persons to enjoy similar levels of wealth, utility, or welfare."<ref name="EB-2022" />
* "Sustainability means meeting our own needs without compromising the ability of future generations to meet their own needs. In addition to ], we also need social and economic resources. Sustainability is not just environmentalism. Embedded in most definitions of sustainability we also find concerns for social equity and economic development."<ref name="McGill-2022">{{Cite web |title=University of Alberta: What is sustainability? |url=https://www.mcgill.ca/sustainability/files/sustainability/what-is-sustainability.pdf |access-date=13 August 2022 |website=mcgill.ca}}</ref>


Some definitions focus on the environmental dimension. The '']'' defines sustainability as: "the property of being environmentally sustainable; the degree to which a process or enterprise is able to be maintained or continued while avoiding the long-term depletion of natural resources".<ref name="Halliday-2016">{{Cite web |last=Halliday |first=Mike |date=2016-11-21 |title=How sustainable is sustainability? |url=https://www.oxfordcollegeofprocurementandsupply.com/how-sustainable-is-sustainability/ |access-date=2022-07-12 |website=Oxford College of Procurement and Supply |language=en-US}}</ref>
===Scale and context===
Sustainability is studied and managed over many scales (levels or frames of reference) of time and space and in many contexts of environmental, social and economic organization. The focus ranges from the total ] (sustainability) of planet Earth to the sustainability of economic sectors, ecosystems, countries, municipalities, neighbourhoods, home gardens, individual lives, individual goods and services, occupations, lifestyles, behaviour patterns and so on. In short, it can entail the full compass of biological and human activity or any part of it.<ref>Conceptual Framework Working Group of the Millennium Ecosystem Assessment. (2003). "Ecosystems and Human Well-being." London: Island Press. Chapter 5. "Dealing with Scale". pp. 107–124. ISBN 155634030. </ref> As Daniel Botkin, author and environmentalist, has stated: "We see a landscape that is always in flux, changing over many scales of time and space."<ref>Botkin (1990).</ref>


===Global principles=== === Historical usage ===
{{Further|Sustainable development#Development of the concept}}
At the global level there are several key principles that underpin global sustainability:
The term sustainability is derived from the ] word ''sustinere''. "To sustain" can mean to maintain, support, uphold, or endure.<ref>{{OEtymD|sustain}}</ref><ref>Onions, Charles, T. (ed) (1964). ''The Shorter Oxford English Dictionary''. Oxford: ]. p. 2095.</ref> So sustainability is the ability to continue over a long period of time.


In the past, sustainability referred to environmental sustainability. It meant using ]s so that people in the future could continue to rely on them in the long term.<ref name="WOR-2019">{{Cite web |title=Sustainability Theories |url=https://worldoceanreview.com/en/wor-4/concepts-for-a-better-world/what-is-sustainability/ |access-date=20 June 2019 |publisher=World Ocean Review}}</ref><ref name="OED-1835">Compare: {{oed|sustainability}} The English-language word had a legal technical sense from 1835 and a resource-management connotation from 1953.</ref> The concept of sustainability, or ''Nachhaltigkeit'' in German, goes back to ] (1645–1714), and applied to ]. The term for this now would be ].<ref>{{Cite web |title=Hans Carl von Carlowitz and Sustainability |url=http://www.environmentandsociety.org/tools/keywords/hans-carl-von-carlowitz-and-sustainability |access-date=20 June 2019 |website=Environment and Society Portal}}</ref> He used this term to mean the long-term responsible use of a natural resource. In his 1713 work ''Silvicultura oeconomica,''<ref>{{Cite web |last=Dresden |first=SLUB |title=Sylvicultura Oeconomica, Oder Haußwirthliche Nachricht und Naturmäßige Anweisung Zur Wilden Baum-Zucht |url=http://digital.slub-dresden.de/id380451980/127 |access-date=2022-03-28 |website=digital.slub-dresden.de |language=de-DE}}</ref> he wrote that "the highest art/science/industriousness will consist in such a conservation and replanting of timber that there can be a continuous, ongoing and sustainable use".<ref>Von Carlowitz, H.C. & Rohr, V. (1732) Sylvicultura Oeconomica, oder Haußwirthliche Nachricht und Naturmäßige Anweisung zur Wilden Baum Zucht, Leipzig; translated from German as cited in {{Cite journal |last1=Friederich |first1=Simon |last2=Symons |first2=Jonathan |date=2022-11-15 |title=Operationalising sustainability? Why sustainability fails as an investment criterion for safeguarding the future |journal=Global Policy |volume=14 |language=en |pages=1758–5899.13160 |doi=10.1111/1758-5899.13160 |issn=1758-5880 |s2cid=253560289|doi-access=free }}</ref> The shift in use of "sustainability" from preservation of forests (for future wood production) to broader preservation of environmental resources (to sustain the world for future generations) traces to a 1972 book by Ernst Basler, based on a series of lectures at M.I.T.<ref name="Basler-1972">{{cite book |last=Basler |first=Ernst |title= Strategy of Progress: Environmental Pollution, Habitat Scarcity and Future Research (originally, Strategie des Fortschritts: Umweltbelastung Lebensraumverknappung and Zukunftsforshung) |date=1972 |publisher= BLV Publishing Company}}</ref>
:* '']'' - providing future generations with the same environmental potential as presently exists
:* ''] economic growth from ]'' - managing economic growth to be less resource intensive and less polluting
:* ''Integration of all pillars'' - integrating environmental, social and economic sectors when developing sustainability policies
:* ''Ensuring environmental adaptability and ]'' - maintaining and enhancing the adaptive capacity of the environmental system
:* ''Preventing irreversible long-term damage to ecosystems and human health''
:* ''Ensuring distributional equity'' - avoiding unfair or high environmental costs on vulnerable populations
:* ''Accepting global responsibility'' - assuming responsibility for environmental effects that occur outside areas of jurisdiction
:* ''Education and grassroots involvement'' - people and communities investigating problems and developing new solutions<ref>Stanners, D., et al. (2007). "Frameworks for Policy Integration Indicators, for Sustainable Development, and for Evaluating Complex Scientific Evidence." EEA GEAR-SD framework in Hak et al. (2007) p. 156.</ref>


The idea itself goes back a very long time: Communities have always worried about the capacity of their environment to sustain them in the long term. Many ancient cultures, ], and ] have restricted the use of natural resources.<ref>{{Cite journal |last1=Gadgil |first1=M. |last2=Berkes |first2=F. |date=1991 |title=Traditional Resource Management Systems |url=https://www.researchgate.net/publication/248146028 |journal=Resource Management and Optimization |volume=8 |pages=127–141}}</ref>
===Consumption, population, technology, resources===
{{See|I PAT}}
The overall driver of human impact on Earth systems is the ] of ] ]. Human consumption can be divided into three key components: ] numbers, levels of consumption (]), and impact per unit of resource use (which depends on the ] used). This has been expressed through an equation:


=== Comparison to sustainable development ===
:::::::: I = P × A × T
{{Further|Sustainable development}}


The terms sustainability and ] are closely related. In fact, they are often used to mean the same thing.<ref name="EB-2022" /> Both terms are linked with the "three dimensions of sustainability" concept.<ref name="Purvis" /> One distinction is that sustainability is a general concept, while sustainable development can be a policy or organizing principle. Scholars say sustainability is a broader concept because sustainable development focuses mainly on human well-being.<ref name="Harrington-2016" />
::: Where: I = Environmental impact, P = Population, A = Affluence, T = Technology<ref name=Ehrlich&Holden>Ehrlich, P.R. & Holden, J.P. (1974). "Human Population and the global environment." ''American Scientist'' '''62'''(3): 282–292.</ref>


Sustainable development has two linked goals. It aims to meet ] goals. It also aims to enable natural systems to provide the ]s and ] needed for ] and society. The concept of sustainable development has come to focus on ], ] and ] for future generations.{{Citation needed|date=June 2024}}
Historically, humanity has responded to a demand for more resources by trying to increase supply. Sustainability, instead, applies ] of all ] by promoting reduced consumption, using ] where possible, and encouraging practices that minimise ] while maximising ]. Careful resource management is applied at many scales, but especially at the levels of economic sectors like agriculture, manufacturing and industry as well as to individual goods and services and the consumption patterns of households and individuals.<ref>Clark (2006).</ref><ref name=Brower>Brower & Leon (1999).</ref>


===Population=== == Dimensions ==
=== Development of three dimensions ===
{{Main|Population control|}}
], where sustainability is thought of as the area where the three dimensions overlap]]
] – ], illustrating current exponential growth]]
Scholars usually distinguish three different areas of sustainability. These are the environmental, the social, and the economic. Several terms are in use for this concept. Authors may speak of three pillars, dimensions, components, aspects,<ref>{{Cite web |date=2005 |title=Resolution adopted by the General Assembly on 16 September 2005, 60/1. 2005 World Summit Outcome |url=https://www.un.org/en/development/desa/population/migration/generalassembly/docs/globalcompact/A_RES_60_1.pdf |access-date=17 January 2022 |publisher=United Nations General Assembly}}</ref> perspectives, factors, or goals. All mean the same thing in this context.<ref name="Purvis" /> The three dimensions paradigm has few theoretical foundations.<ref name="Purvis" />
According to the 2008 Revision of the official United Nations population estimates and projections, the ] is projected to reach 7 billion early in 2012, up from the current 6.9 billion (May 2009), to exceed 9 billion people by 2050. Most of the increase will be in ] whose population is projected to rise from 5.6 billion in 2009 to 7.9 billion in 2050. This increase will be distributed among the population aged 15–59 (1.2 billion) and 60 or over (1.1 billion) because the number of children under age 15 in developing countries will decrease. In contrast, the population of the more ] is expected to undergo only slight increase from 1.23 billion to 1.28 billion, and this would have declined to 1.15 billion but for a projected net migration from developing to developed countries, which is expected to average 2.4 million persons annually from 2009 to 2050.<ref>United Nations Department of Economic and Social Affairs, Population Division (2009). Highlights. Retrieved on: 2009-04-06.</ref> Long-term estimates of global population suggest a peak at around 2070 of nine to ten billion people, and then a slow decrease to 8.4 billion by 2100.<ref>Lutz et al. (2004).</ref>


The popular three intersecting circles, or ], representing sustainability first appeared in a 1987 article by the economist ].<ref name="Purvis" /><ref name=":0">{{Cite journal |last=Barbier |first=Edward B. |date=July 1987 |title=The Concept of Sustainable Economic Development |url=https://www.cambridge.org/core/journals/environmental-conservation/article/abs/concept-of-sustainable-economic-development/33A3CD3BD12DE8D5B2FF466701A14B4A |journal=Environmental Conservation |language=en |volume=14 |issue=2 |pages=101–110 |bibcode=1987EnvCo..14..101B |doi=10.1017/S0376892900011449 |issn=1469-4387}}</ref>
Emerging economies like those of China and India aspire to the living standards of the Western world as does the non-industrialized world in general. It is the combination of population increase in the developing world and unsustainable consumption levels in the developed world that poses a stark challenge to sustainability.<ref name=Cohen2006>Cohen, J.E. (2006). "Human Population: The Next Half Century." In Kennedy D. (Ed.) "Science Magazine's State of the Planet 2006-7". London: Island Press, pp. 13–21. ISSN 15591158.</ref>


Scholars rarely question the distinction itself. The idea of sustainability with three dimensions is a dominant interpretation in the literature.<ref name="Purvis" />
=== Direct and indirect environmental impacts ===

At a fundamental level ] and ] set an upper limit on the number and mass of organisms in any ecosystem.<ref>Krebs (2001) p. 513.</ref> Human impacts on the Earth are demonstrated through detrimental changes in the global biogeochemical cycles of chemicals that are critical to life, most notably those of ], ], ], ] and ].<ref>Smil (2000)</ref>
In the Brundtland Report, the environment and development are inseparable and go together in the search for sustainability. It described sustainable development as a global concept linking environmental and social issues. It added sustainable development is important for both ] and ]:
{{gallery

|title=Global biophysical cycles critical for life
<noinclude>{{Blockquote
|width=120
| text =The 'environment' is where we all live; and 'development' is what we all do in attempting to improve our lot within that abode. The two are inseparable. We came to see that a new development path was required, one that sustained human progress not just in a few pieces for a few years, but for the entire planet into the distant future. Thus 'sustainable development' becomes a goal not just for the 'developing' nations, but for industrial ones as well.
|lines=2
| author ='']'' (also known as the Brundtland Report)
|Image:Nitrogen_Cycle.jpg|alt1=Diagram of the nitrogen cycle|]
| title =
|Image:Water cycle.png|alt2=Diagram of the water cycle|]
| source =<ref name="UNGA-1987" />{{rp|Foreword and Section I.1.10}}
|Image:Carbon cycle-cute diagram.svg|alt3=Diagram of the carbon cycle|]
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|Image:Oxygen Cycle.jpg|alt4=Diagram of the oxygen cycle|]
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The ] from 1992 is seen as "the foundational instrument in the move towards sustainability".<ref name="Bosselmann-2022">Bosselmann, K. (2022) , Research Handbook on Fundamental Concepts of Environmental Law, edited by Douglas Fisher</ref>{{rp|29}} It includes specific references to ecosystem integrity.<ref name="Bosselmann-2022" />{{rp|31}} The plan associated with carrying out the Rio Declaration also discusses sustainability in this way. The plan, ], talks about economic, social, and environmental dimensions:<ref name="agenda 1">{{Cite web |date=1992 |title=Agenda 21 |url=https://sustainabledevelopment.un.org/content/documents/Agenda21.pdf |access-date=17 January 2022 |publisher=United Nations Conference on Environment & Development, Rio de Janeiro, Brazil, 3 to 14 June 1992}}</ref>{{rp|8.6}}

{{Blockquote
| text =Countries could develop systems for monitoring and evaluation of progress towards achieving sustainable development by adopting indicators that measure changes across economic, social and environmental dimensions.
| author = ]
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| source =<ref name="agenda 1" />{{rp|8.6}}
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Agenda 2030 from 2015 also viewed sustainability in this way. It sees the 17 ] (SDGs) with their 169 targets as balancing "the three dimensions of sustainable development, the economic, social and environmental".<ref name=":1b">United Nations (2015) Resolution adopted by the General Assembly on 25 September 2015, ] ( {{Webarchive|url=https://web.archive.org/web/20201128002202/https://www.un.org/sustainabledevelopment/sustainable-development-goals/|date=28 November 2020}})</ref>
==Measurement==
{{Main|Sustainability measurement}}
]
To survive on planet Earth humans must live within its measurable biophysical constraints.<ref>Costanza, R. (2000). ''Conservation Ecology'' '''4'''(1): 5. Retrieved on: 2009-04-01.</ref> By establishing quantitative measures for sustainability it is possible to set goals, apply management strategies, and measure progress. ] (TNS) framework developed by ] examines sustainability and resource use from its ] foundations to determine</font> how humans use and apportion ] in a way that is sustainable and ]. The TNS framework's ''system conditions of sustainability'' provide a means for the scientifically based measurement of sustainability.<ref name = Backcasting>Holmberg, J. and Robèrt, K-H. (2000). ''International Journal of Sustainable Development and World Ecology'' '''7''' 291–308. Retrieved on: 2009-04-01.</ref> ] includes resources from the ] (i.e., minerals, oil), those produced by humans (synthetic substances), and those of the ]. Equitable access to natural capital is also a component of sustainability.<ref name = Backcasting/> The energy generated in use of resources—referred to as ]<ref>Ayres, R. (April 2001) Retrieved on: 2009-04-01.</ref>—can be measured as the ] of a product or service over its ]. Its analysis, using methods such as ] or ] provide basic indicators of sustainability on various scales.<ref>*Holmberg, J., Lundqvist, U., Robèrt, K-H. and Wackernagel, M. (1999). ''International Journal of Sustainable Development and World Ecology'' '''6''' 17–33. Retrieved on: 2009-01-18.</ref>


=== Hierarchy ===
There is now a vast number of sustainability ],<ref>Hak et al. (2007)</ref> ], ], indices, reporting procedures, ]s and more. They include environmental, social and economic measures separately or together over many scales and contexts. Environmental factors are integrated with economics through ], ] and ], and social factors through metrics like the ] which measures the well-being of people in the nations of the world while taking into account their environmental impact.<ref name=Adams2006 /><ref>Paehlke, R. (2005). "Sustainability as a Bridging Concept." ''Conservation Biology'' '''19''': 36–38.</ref> Some of the best known and most widely used sustainability measures are listed in the side bar, they include corporate ], ], and estimates of the quality of sustainability governance for individual countries using the ] and ].
] and ] are constrained by ]<ref>Scott Cato, M. (2009). ''Green Economics''. London: ], pp. 36–37. {{ISBN|978-1-84407-571-3}}.</ref> ]]] is similar to the nested ellipses diagram, where the environmental dimension or system is the basis for the other two dimensions.<ref name="Obrecht-2021">{{Cite periodical |last1=Obrecht |first1=Andreas |last2=Pham-Truffert |first2=Myriam |last3=Spehn |first3=Eva |last4=Payne |first4=Davnah |last5=Altermatt |first5=Florian |last6=Fischer |first6=Manuel |last7=Passarello |first7=Cristian |last8=Moersberger |first8=Hannah |last9=Schelske |first9=Oliver |last10=Guntern |first10=Jodok |last11=Prescott |first11=Graham |date=2021-02-05 |title=Achieving the SDGs with Biodiversity |periodical=Swiss Academies Factsheet |volume=16 |issue=1 |language=en |doi=10.5281/zenodo.4457298 |doi-access=free}}</ref>]]
Scholars have discussed how to rank the three dimensions of sustainability. Many publications state that the environmental dimension is the most important.<ref name="Kotze-2022" /><ref name="Bosselmann-2010">{{Cite journal |last=Bosselmann |first=Klaus |date=2010 |title=Losing the Forest for the Trees: Environmental Reductionism in the Law |journal=] |language=en |volume=2 |issue=8 |pages=2424–2448 |doi=10.3390/su2082424 |issn=2071-1050 |doi-access=free|hdl=10535/6499 |hdl-access=free }} ] Text was copied from this source, which is available under a </ref> (] or ecological integrity are other terms for the environmental dimension.)


Protecting ecological integrity is the core of sustainability according to many experts.<ref name="Bosselmann-2010" /> If this is the case then its environmental dimension sets limits to economic and social development.<ref name="Bosselmann-2010" />
===Carrying capacity===
{{See|Carrying capacity|}}
Gathering data show humans are not living within ] of the planet. The ] measures human consumption in terms of the biologically productive land needed to provide the resources, and absorb the wastes of the average global citizen. In 2008 it required 2.7 ]s per person, 30% more than the natural biological capacity of 2.1 global hectares (assuming no provision for other organisms).<ref name="LPR"/> The resulting ecological deficit must be met from unsustainable ''extra'' sources and these are obtained in three ways: embedded in the goods and services of world trade; taken from the past (e.g. ]); or borrowed from the future as unsustainable resource usage (e.g. by over exploiting ] and ]).


The diagram with three nested ellipses is one way of showing the three dimensions of sustainability together with a hierarchy: It gives the environmental dimension a special status. In this diagram, the environment includes society, and society includes economic conditions. Thus it stresses a hierarchy.
The figure (right) indicates the sustainability of countries in terms of their Ecological Footprint to the UN ] (a measure of standard of living): it shows what is necessary for countries to maintain an acceptable standard of living for their citizens while, at the same time, living at a globally sustainable level. The general trend is for higher standards of living to become less sustainable. As always ] has a marked influence on levels of consumption and the efficiency of resource use.<ref name=Ehrlich&Holden /><ref>Adams & Jeanrenaud (2008) p. 45.</ref> The sustainability goal is to raise the global standard of living without increasing the use of resources beyond globally sustainable levels; that is, to not exceed "one planet" consumption. Information generated by reports at the national, regional and city scales confirm the global trend towards societies that are becoming less sustainable over time.<ref> UNEP Grid Arendal. A selection of global-scale reports. Retrieved on: 2009-3-12</ref><ref>Global Footprint Network. (2008). Retrieved on: 2008-10-01.</ref>


Another model shows the three dimensions in a similar way: In this ''SDG wedding cake model'', the economy is a smaller subset of the societal system. And the societal system in turn is a smaller subset of the ] system.<ref name="Obrecht-2021" />
===Global human impact on biodiversity===
], a heavily urbanised area devoid of natural ecosystems]]
{{See|Millennium Ecosystem Assessment}}
The Millennium Ecosystem Assessment is an international synthesis by over 1000 of the world's leading biological scientists that analyses the state of the Earth’s ]s. It concludes that human activity is having a significant and escalating impact on the ] of world ], reducing both their resilience and ]. The report refers to natural systems as humanity's "life-support system", providing essential "]". The assessment measures 24 ecosystem services concluding that only four have shown improvement over the last 50 years, 15 are in serious decline, and five are in a precarious condition.<ref> Millennium Ecosystem Assessment, pp. 6–19.</ref>


In 2022 an assessment examined the political impacts of the Sustainable Development Goals. The assessment found that the "integrity of the earth's life-support systems" was essential for sustainability.<ref name="Kotze-2022" />{{rp|140}} The authors said that "the SDGs fail to recognize that planetary, people and prosperity concerns are all part of one earth system, and that the protection of planetary integrity should not be a means to an end, but an end in itself".<ref name="Kotze-2022" />{{rp|147}} The aspect of environmental protection is not an explicit priority for the SDGs. This causes problems as it could encourage countries to give the environment less weight in their developmental plans.<ref name="Kotze-2022" />{{rp|144}} The authors state that "sustainability on a planetary scale is only achievable under an overarching Planetary Integrity Goal that recognizes the biophysical limits of the planet".<ref name="Kotze-2022" />{{rp|161}}
==Environmental dimension==
{{off-topic|date= August 2009}}
Healthy ecosystems provide vital goods and services to humans and other organisms. There are two major ways of reducing negative human impact and enhancing ]:


Other frameworks bypass the compartmentalization of sustainability into separate dimensions completely.<ref name="Purvis" />
:a) ]. This direct approach is based largely on information gained from ], ] and ].
However, this is management at the end of a long series of indirect causal factors that are initiated by human ], so a second approach is through demand management of human resource use.


=== Environmental sustainability ===
:b) Management of human ] of resources, an indirect approach based largely on information gained from ]. Herman Daly has suggested three broad criteria for ecological sustainability: renewable resources should provide a sustainable yield (the rate of harvest should not exceed the rate of regeneration); for non-renewable resources there should be equivalent development of renewable substitutes; waste generation should not exceed the assimilative capacity of the environment.<ref>Daly H.E. (1990). "Toward some operational priniples of sustainable development." ''Ecological Economics '''''2''': 1–6.</ref>
{{Further|Human impact on the environment}}
The environmental dimension is central to the overall concept of sustainability. People became more and more aware of environmental pollution in the 1960s and 1970s. This led to discussions on sustainability and sustainable development. This process began in the 1970s with concern for environmental issues. These included natural ]s or natural resources and the human environment. It later extended to all systems that support life on Earth, including human society.<ref name="Swart, R.-2002">{{Cite book |author=Raskin, P. |author2=Banuri, T. |author3=Gallopín, G. |author4=Gutman, P. |author5=Hammond, A. |author6=Kates, R. |author7=Swart, R. |url=https://www.sei.org/publications/great-transition-promise-lure-times-ahead/ |title=Great transition: the promise and lure of the times ahead |date=2002 |publisher=Stockholm Environment Institute |isbn=0-9712418-1-3 |location=Boston |oclc=49987854}}</ref>{{rp|31}} Reducing these negative impacts on the environment would improve environmental sustainability.<ref name="Swart, R.-2002" /><ref>{{cite journal |last1=Ekins |first1=Paul |last2=Zenghelis |first2=Dimitri |title=The costs and benefits of environmental sustainability |journal=Sustainability Science |date=2021 |volume=16 |issue=3 |pages=949–965 |doi=10.1007/s11625-021-00910-5 |pmid=33747239 |pmc=7960882 |bibcode=2021SuSc...16..949E |doi-access=free}}</ref>


] is not a new phenomenon. But it has been only a ''local'' or regional concern for most of human history. Awareness of ''global'' environmental issues increased in the 20th century.<ref name="Swart, R.-2002" />{{rp|5}}<ref>{{Cite book |title=Man's role in changing the face of the earth. |date=1956 |publisher=University of Chicago Press |editor=William L. Thomas |isbn=0-226-79604-3 |location=Chicago |oclc=276231}}</ref> The harmful effects and global spread of pesticides like ] came under scrutiny in the 1960s.<ref name="silentspring">{{Cite book |last=Carson, Rachel |url=https://archive.org/details/silentspring00cars_1 |title=Silent Spring |publisher=Mariner Books |year=2002 |isbn=978-0-618-24906-0 |orig-date=1st. Pub. Houghton Mifflin, 1962}}</ref> In the 1970s it emerged that ]s (CFCs) were depleting the ]. This led to the de facto ban of CFCs with the ] in 1987.<ref name="Berg-2020">{{Cite book |last=Berg |first=Christian |title=Sustainable action: overcoming the barriers |publisher=Routledge |date=2020 |isbn=978-0-429-57873-1 |location=Abingdon, Oxon |oclc=1124780147}}</ref>{{rp|146}}
===Environmental management===
{{See|Environmental management|Natural resource management|}}
At the global scale and in the broadest sense environmental management involves the ]s, ] systems, ] and ], but following the sustainability principle of scale it can be equally applied to any ecosystem from a tropical rainforest to a home garden.<ref>{{cite web|url=http://www.economics.noaa.gov/?goal=ecosystems&file=users/|title=The Economics and Social Benefits of NOAA Ecosystems Data and Products Table of Contents Data Users|publisher=NOAA|accessdate=2009-10-13}}</ref><ref>Buchenrieder, G., und A.R. Göltenboth: Sustainable freshwater resource management in the Tropics: The myth of effective indicators, 25th International Conference of Agricultural Economists (IAAE) on “Reshaping Agriculture’s Contributions to Society” in Durban, South Africa, 2003.</ref>


In the early 20th century, ] discussed the effect of ]es on the climate (see also: ]).<ref name="arrhenius">{{Cite journal |last=Arrhenius |first=Svante |date=1896 |title=XXXI. On the influence of carbonic acid in the air upon the temperature of the ground |url=https://www.tandfonline.com/doi/full/10.1080/14786449608620846 |journal=The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science |language=en |volume=41 |issue=251 |pages=237–276 |doi=10.1080/14786449608620846 |issn=1941-5982}}</ref> Climate change due to human activity became an academic and political topic several decades later. This led to the establishment of the ] in 1988 and the ] in 1992.
====Atmosphere====
{{See|Earth's atmosphere|Climate change|}}
In March 2009 at a meeting of the ] 2,500 climate experts from 80 countries issued a keynote statement that there is now "no excuse" for failing to act on global warming and that without strong carbon reduction targets "abrupt or irreversible" shifts in climate may occur that "will be very difficult for contemporary societies to cope with".<ref>University of Copenhagen (March 2009) News item on Copenhagen Climate Congress in March 2009. Retrieved on: 2009-03-18.</ref><ref>Adams, D. (March 2009) ''The Guardian''. Retrieved on: 2009-03-18.</ref> Management of the global atmosphere now involves assessment of all aspects of the ] to identify opportunities to address human-induced ] and this has become a major focus of scientific research because of the potential catastrophic effects on biodiversity and human communities (see ] below).


In 1972, the ] took place. It was the first UN conference on environmental issues. It stated it was important to protect and improve the human environment.<ref name="UN1973">UN (1973) , A/CONF.48/14/Rev.1, Stockholm, 5–16 June 1972</ref>{{rp|3}}It emphasized the need to protect wildlife and natural habitats:<ref name="UN1973" />{{rp|4}}
Other human impacts on the atmosphere include the ] in cities, the ] including toxic chemicals like ], ], ] and ] that produce ] and ], and the ]s that degrade the ]. ] ] such as sulphate ]s in the atmosphere reduce the direct ] and reflectance (]) of the ]'s surface. Known as ] the decrease is estimated to have been about 4% between 1960 and 1990 although the trend has subsequently reversed. Global dimming may have disturbed the global ] by reducing evaporation and rainfall in some areas. It also creates a ] effect and this may have partially masked the effect of ] on ].<ref>Hegerl, G.C. et al. (2007). "Climate Change 2007: The Physical Science Basis." Contribution of Working Group 1 to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. p. 676. Cambridge: Cambridge University Press. Full report at: IPCC Report. Retrieved on: 2009-03-18.</ref>
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| text =The natural resources of the earth, including the air, water, land, flora and fauna and natural ]s must be safeguarded for the benefit of present and future generations through careful planning or management, as appropriate.
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In 2000, the UN launched eight ]. The aim was for the global community to achieve them by 2015. Goal 7 was to "ensure environmental sustainability". But this goal did not mention the concepts of social or economic sustainability.<ref name="Purvis" />
====Oceans====
{{See|Coastal management|Overfishing|}}
] ] circulation patterns have a strong influence on ] and ] and, in turn, the food supply of both humans and other organisms. Scientists have warned of the possibility, under the influence of climate change, of a sudden alteration in circulation patterns of ]s that could drastically alter the climate in some regions of the globe.<ref>Kerr, R.A. (2004). "A slowing cog in the North Atlantic ocean's climate machine." ''Science'' '''304''': 371–372. Retrieved on: 2009-04-19.</ref> Major human environmental impacts occur in the more habitable regions of the ocean fringes – the ], ] and ]s. Ten per cent of the world's population – about 600 million people – live in low-lying areas vulnerable to sea level rise. Trends of concern that require management include: ] (beyond sustainable levels); ] due to ocean warming and ] due to increasing levels of dissolved carbon dioxide;<ref>Harrabin, R. (March 2009). BBC News, UK. Retrieved on: 2009-03-18.</ref> and ] due to climate change. Because of their vastness oceans also act as a convenient dumping ground for human waste.<ref>Schukman, D. (March 2009). BBC News, UK. Retrieved on: 2009-03-18.</ref> Remedial strategies include: more careful waste management, statutory control of overfishing by adoption of ] practices and the use of environmentally sensitive and sustainable ] and ], reduction of fossil fuel emissions and restoration of coastal and other marine habitat.<ref>Lindenmayer & Burgman (2005).</ref>


Specific problems often dominate public discussion of the environmental dimension of sustainability: In the 21st century these problems have included ], ] and pollution. Other global problems are loss of ]s, ], ] and ] and ], including ] and ].<ref name="UNEP-2021">{{Cite web |last=UNEP |date=2021 |title=Making Peace With Nature |url=http://www.unep.org/resources/making-peace-nature |access-date=2022-03-30 |website=UNEP – UN Environment Programme |language=en}}</ref><ref name="Ripple-2017">{{Cite journal |last1=Ripple |first1=William J. |author-link1=William J. Ripple |last2=Wolf |first2=Christopher |last3=Newsome |first3=Thomas M. |last4=Galetti |first4=Mauro |last5=Alamgir |first5=Mohammed |last6=Crist |first6=Eileen |last7=Mahmoud |first7=Mahmoud I. |last8=Laurance |first8=William F. |last9=15,364 scientist signatories from 184 countries |date=2017 |title=World Scientists' Warning to Humanity: A Second Notice |url=https://academic.oup.com/bioscience/article/67/12/1026/4605229 |journal=BioScience |language=en |volume=67 |issue=12 |pages=1026–1028 |doi=10.1093/biosci/bix125 |issn=0006-3568 |doi-access=free |hdl-access=free |hdl=11336/71342}}</ref> Many people worry about ]. These include impacts on the atmosphere, land, and ].<ref name="Swart, R.-2002" />{{rp|21}}
====Freshwater====
{{See|Water crisis}}


Human activities now have an impact on Earth's ] and ]s. This led ] to call the current ] the ].<ref>{{Cite journal |last=Crutzen |first=Paul J. |date=2002 |title=Geology of mankind |journal=Nature |language=en |volume=415 |issue=6867 |pages=23 |bibcode=2002Natur.415...23C |doi=10.1038/415023a |issn=0028-0836 |pmid=11780095 |s2cid=9743349|doi-access=free }}</ref>
Water covers 71% of the Earth's surface. Of this, 97.5% is the salty water of the ]s and only 2.5% freshwater, most of which is locked up in the ]. The remaining freshwater is found in lakes, rivers, wetlands, the soil, aquifers and atmosphere. All life depends on the solar-powered global water cycle, the evaporation from oceans and land to form water vapour that later condenses from clouds as rain, which then becomes the renewable part of the freshwater supply.<ref name="Atlas">Clarke & King (2006) pp.&nbsp;20–21.</ref> Awareness of the global importance of preserving ] for ] has only recently emerged as, during the 20th century, more than half the world’s ] have been lost along with their valuable environmental services. ]-rich ] ecosystems are currently declining faster than ] or land ]s<ref name="water">Hoekstra, A.Y. (2006). ''Value of Water Research Report Series'' No. 20 UNESCO-IHE Institute for Water Education. Retrieved on: 2009-03-18.</ref> making them the world's most vulnerable habitats.<ref name="LPR" /> Increasing ] pollutes clean water supplies and much of the world still does not have access to clean, safe ].<ref name="Atlas"/> In the industrial world ] has slowed absolute usage rates but increasingly water is being transported over vast distances from water-rich natural areas to population-dense urban areas and energy-hungry ] is becoming more widely used. Greater emphasis is now being placed on the improved management of blue (harvestable) and green (soil water available for plant use) water, and this applies at all scales of water management.<ref name="water" />


=== Economic sustainability ===
====Land====
] can improve aspects of economic sustainability (left: the 'take, make, waste' linear approach; right: the circular economy approach).]]
{{See|Land use}}
The economic dimension of sustainability is controversial.<ref name="Purvis" /> This is because the term ''development'' within ''sustainable development'' can be interpreted in different ways. Some may take it to mean only ] and ]. This can promote an economic system that is bad for the environment.<ref name="Wilhelm-2000">{{Cite book |title=Zukunftsstreit |publisher=Velbrück Wissenschaft |editor=Wilhelm Krull |year=2000 |isbn=3-934730-17-5 |location=Weilerwist |language=de |oclc=52639118}}</ref><ref>{{Cite journal |last=Redclift |first=Michael |date=2005 |title=Sustainable development (1987-2005): an oxymoron comes of age |url=https://onlinelibrary.wiley.com/doi/10.1002/sd.281 |journal=Sustainable Development |language=en |volume=13 |issue=4 |pages=212–227 |doi=10.1002/sd.281 |issn=0968-0802}}</ref><ref>{{Cite book |last=Daly |first=Herman E. |url=http://pinguet.free.fr/daly1996.pdf |title=Beyond growth: the economics of sustainable development |date=1996 |publisher=] |isbn=0-8070-4708-2 |location=Boston |oclc=33946953}}</ref> Others focus more on the trade-offs between ] and achieving welfare goals for ] (food, water, health, and shelter).<ref name="Kuhlman-2010" />
Loss of biodiversity stems largely from the habitat loss and fragmentation produced by the human appropriation of land for development, forestry and agriculture as ] is progressively converted to man-made capital. Land use change is fundamental to the operations of the ] because alterations in the relative proportions of land dedicated to ], ], ], ], ] and ] have a marked effect on the global water, carbon and nitrogen ]s and this can impact negatively on both natural and human systems.<ref>Krebs (2001) pp. 560–582.</ref> At the local human scale major sustainability benefits accrue from the pursuit of ] and ].<ref>, ''Missouri University Extension''. October 2004. Retrieved June 17, 2009</ref><ref>, ''Daniel Boone Regional Library''. Retrieved June 17, 2009]</ref>


Economic development can indeed reduce ] or ]. This is especially the case in the ]. That is why ] calls for economic growth to drive social progress and well-being. Its first target is for: "at least 7 per cent ] growth per annum in the least developed countries".<ref name="UN-2017">United Nations (2017) Resolution adopted by the General Assembly on 6 July 2017, ] ()</ref> However, the challenge is to expand economic activities while reducing their environmental impact.<ref name="UNEP2011">UNEP (2011) . Fischer-Kowalski, M., Swilling, M., von Weizsäcker, E.U., Ren, Y., Moriguchi, Y., Crane, W., Krausmann, F., Eisenmenger, N., Giljum, S., Hennicke, P., Romero Lankao, P., Siriban Manalang, A., Sewerin, S.</ref>{{rp|8}} In other words, humanity will have to find ways how societal progress (potentially by economic development) can be reached without excess strain on the environment.
====Forests====
{{See|Forestry|Ecoforestry}}
Since the Neolithic Revolution about 47% of the world’s forests have been lost to human use. Present-day forests occupy about a quarter of the world’s ice-free land with about half of these occurring in the tropics<ref>World Resources Institute (1998). ''World Resources 1998–1999.'' Oxford: Oxford University Press. ISBN 0195214080.</ref> In temperate and boreal regions forest area is gradually increasing (with the exception of Siberia), but ] in the tropics is of major concern.<ref>Groombridge & Jenkins (2002).</ref>
]
Forests moderate the local climate and the global water cycle through their light reflectance (]) and ]. They also conserve ], protect water quality, preserve soil and soil quality, provide fuel and ], and purify the air. These free ] have no market value and so forest conservation has little appeal when compared with the economic benefits of logging and clearance which, through soil degradation and organic decomposition returns carbon dioxide to the atmosphere.<ref name = FAO1>Food and Agriculture Organisation (2006). ''Forestry paper'' 147. Rome: FAO. Retrieved on: 2009-04-17.</ref> The United Nations ] (FAO) estimates that about 90% of the carbon stored in land vegetation is locked up in trees and that they sequester about 50% more carbon than is present in the atmosphere. Changes in land use currently contribute about 20% of total global carbon emissions (heavily logged Indonesia and Brazil are a major source of emissions).<ref name = FAO1/> ] can be mitigated by sequestering carbon in ] schemes, plantations and timber products. Also wood biomass can be utilized as a renewable carbon-neutral fuel. The FAO has suggested that, over the period 2005–2050, effective use of tree planting could absorb about 10–20% of man-made emissions – so monitoring the condition of the world's forests must be part of a global strategy to mitigate emissions and protect ecosystem services.<ref>IPCC (2006).'' IPCC Guidelines for National Greenhouse Inventories, Vol.4, Agriculture, Forestry, and other Land Uses.'' Japan: Institute for Global Environment Strategies.</ref> However, climate change may pre-empt this FAO scenario as a study by the ] in 2009 concluded that the stress of a 2.5C (4.5F) temperature rise above pre-industrial levels could result in the release of vast amounts of carbon<ref>Kinver, M. (April 2009). BBC News, UK. Retrieved on: 2009-04-19.</ref> so the potential of forests to act as carbon "sinks" is "at risk of being lost entirely".<ref>Dold, M. (April 2009). . IUFRO News. Retrieved on: 2009-04-20.</ref>


The Brundtland report says ] ''causes'' environmental problems. Poverty also ''results'' from them. So addressing environmental problems requires understanding the factors behind world poverty and inequality.<ref name="UNGA-1987" />{{rp|Section I.1.8}} The report demands a new development path for sustained human progress. It highlights that this is a goal for both developing and industrialized nations.<ref name="UNGA-1987" />{{rp|Section I.1.10}}
====Cultivated land====
{{Main|Sustainable agriculture}}
]
Feeding more than six billion human bodies takes a heavy toll on the Earth’s resources. This begins with the appropriation of about 38% of the Earth’s land surface<ref>Food and Agriculture Organization (June 2006). Rome: FAO Statistics Division. Retrieved on: 2009-03-18.</ref> and about 20% of its net primary productivity.<ref> Imhoff, M.L. et al. (2004). "Global Patterns in Human Consumption of Net Primary Production." ''Nature'' '''429''': 870–873.</ref> Added to this are the resource-hungry activities of industrial agribusiness – everything from the crop need for irrigation water, synthetic ]s and ]s to the resource costs of food packaging, ] (now a major part of global trade) and retail. ] is essential to life. But the list of environmental costs of ] is a long one: topsoil depletion, ] and conversion to desert from constant tillage of annual crops; overgrazing; ]; ]; ]; high levels of fossil fuel use; reliance on inorganic fertilisers and synthetic organic ]; reductions in ] by the mass use of ]s; water resource depletion; ] of waterbodies by run-off and ]; social problems including the decline of family farms and weakening of ].<ref>Tudge (2004).</ref>


UNEP and ] launched the Poverty-Environment Initiative in 2005 which has three goals. These are reducing extreme poverty, greenhouse gas emissions, and net natural asset loss. This guide to structural reform will enable countries to achieve the SDGs.<ref>{{Cite web |title=UN Environment {{!}} UNDP-UN Environment Poverty-Environment Initiative |url=https://www.unpei.org/ |access-date=2022-01-24 |website=UN Environment {{!}} UNDP-UN Environment Poverty-Environment Initiative |language=en}}</ref><ref>PEP (2016) </ref>{{rp|11}} It should also show how to address the trade-offs between ] and economic development.<ref name="Berg-2020" />{{rp|82}}
All of these environmental problems associated with ] and ] are now being addressed through such movements as ], ] and more sustainable business practices.<ref> This web site has multiple articles on ] contributions to sustainable development. Retrieved on: 2009-04-07.</ref>


====Extinctions==== === Social sustainability ===
] is just one part of social sustainability.]]
{{See|Extinction|}}
The social dimension of sustainability is not well defined.<ref name="Peterson">{{Cite journal |last1=Boyer |first1=Robert H. W. |last2=Peterson |first2=Nicole D. |last3=Arora |first3=Poonam |last4=Caldwell |first4=Kevin |date=2016 |title=Five Approaches to Social Sustainability and an Integrated Way Forward |journal=Sustainability |language=en |volume=8 |issue=9 |pages=878 |doi=10.3390/su8090878 |doi-access=free}}</ref><ref name="Dogu-2019">{{Cite journal |last1=Doğu |first1=Feriha Urfalı |last2=Aras |first2=Lerzan |date=2019 |title=Measuring Social Sustainability with the Developed MCSA Model: Güzelyurt Case |journal=] |language=en |volume=11 |issue=9 |pages=2503 |doi=10.3390/su11092503 |issn=2071-1050 |doi-access=free}}</ref><ref>{{Cite journal |last=Davidson |first=Mark |date=2010 |title=Social Sustainability and the City: Social sustainability and city |url=https://onlinelibrary.wiley.com/doi/10.1111/j.1749-8198.2010.00339.x |journal=] |language=en |volume=4 |issue=7 |pages=872–880 |doi=10.1111/j.1749-8198.2010.00339.x}}</ref> One definition states that a society is sustainable in social terms if people do not face structural obstacles in key areas. These key areas are health, influence, competence, ] and ].<ref>{{Cite journal |last1=Missimer |first1=Merlina |last2=Robèrt |first2=Karl-Henrik |last3=Broman |first3=Göran |date=2017 |title=A strategic approach to social sustainability – Part 2: a principle-based definition |url=https://linkinghub.elsevier.com/retrieve/pii/S0959652616303274 |journal=Journal of Cleaner Production |language=en |volume=140 |pages=42–52 |doi=10.1016/j.jclepro.2016.04.059|bibcode=2017JCPro.140...42M }}</ref>
Although ] loss can be monitored simply as loss of species, effective conservation demands the protection of species within their natural habitats and ecosystems. Following human migration and population growth, species ] have progressively increased to a rate unprecedented since the ]. Known as the ] this current human-induced extinction of species ranks as one of the worlds six mass ]s. Some scientific estimates indicate that up to half of presently existing species may become extinct by 2100.<ref>Wilson (2002)</ref><ref>Leakey & Lewin (1995)</ref> Current extinction rates are 100 to 1000 times their prehuman levels with more than 10% birds and mammals threatened, about 8% of plants, 5% of fish and more than 20% of freshwater species.<ref>Millennium Ecosystem Assessment, pp. 42–47.</ref>


Some scholars place social issues at the very center of discussions.<ref>{{Cite journal |last1=Boyer |first1=Robert |last2=Peterson |first2=Nicole |last3=Arora |first3=Poonam |last4=Caldwell |first4=Kevin |date=2016 |title=Five Approaches to Social Sustainability and an Integrated Way Forward |journal=] |language=en |volume=8 |issue=9 |pages=878 |doi=10.3390/su8090878 |issn=2071-1050 |doi-access=free}}</ref> They suggest that all the domains of sustainability are social. These include ], economic, political, and cultural sustainability. These domains all depend on the relationship between the social and the natural. The ecological domain is defined as human embeddedness in the environment. From this perspective, social sustainability encompasses all human activities.<ref>{{Cite book |last1=James |first1=Paul |url=https://www.academia.edu/9294719 |title=Urban Sustainability in Theory and Practice: Circles of Sustainability |last2=with Magee |first2=Liam |last3=Scerri |first3=Andy |last4=Steger |first4=Manfred B. |publisher=] |year=2015 |isbn=9781315765747 |location=London |author1-link=Paul James (academic)}}</ref> It goes beyond the intersection of economics, the environment, and the social.<ref>{{Cite journal |last1=Liam Magee |last2=Andy Scerri |last3=Paul James |last4=James A. Thom |last5=Lin Padgham |last6=Sarah Hickmott |last7=Hepu Deng |last8=Felicity Cahill |year=2013 |title=Reframing social sustainability reporting: Towards an engaged approach |url=https://www.academia.edu/4362669 |journal=] |volume=15 |issue=1 |pages=225–243 |doi=10.1007/s10668-012-9384-2 |bibcode=2013EDSus..15..225M |s2cid=153452740}}</ref>
] (''Raphus cucullatus'')]]
The 2008 ] warns that long-term droughts and extreme weather put additional stress on key habitats and, for example, lists 1,226 bird species as threatened with extinction, which is one-in-eight of all bird species.<ref>Kinver, M. (May 2008). BBC News, UK. Retrieved on: 2009-04-17/</ref><ref>BBC News (March 2009) BBC News, UK. Retrieved on: 2009-04-17.</ref> The ] also identifies 44 tree species in Central Asia as under threat of extinction due to over-exploitation and human development and threatening the region's forests which are home to more than 300 wild ancestors of modern domesticated fruit and nut cultivars.<ref>Gill, V. BBC News, UK. Retrieved on: 2009-05-09.</ref>


There are many broad strategies for more sustainable social systems. They include improved education and the political ]. This is especially the case in developing countries. They include greater regard for ]. This involves equity between rich and poor both within and between countries. And it includes ].<ref name="Cohen2006">{{cite book |last=Cohen |first=J. E. |date=2006 |chapter=Human Population: The Next Half Century. |editor-last=Kennedy |editor-first=D. |title=Science Magazine's State of the Planet 2006-7 |location=London |publisher=] |pages=13–21 |isbn=9781597266246}}</ref> Providing more ]s to ] would contribute to social sustainability.<ref name="Aggarwal-2022" />{{rp|11}}
====Biological invasions====
{{See|Introduced species}}
] (''Pueraria lobata'') infesting trees in ], Georgia, USA]]
In many parts of the industrial world land clearing for agriculture has diminished and here the greatest threat to biodiversity, after ], has become the destructive effect of ].<ref>Randall (2002).</ref> Increasingly efficient global transport has facilitated the spread of ]s across the planet. The potential danger of this aspect of ] is starkly illustrated through the spread of human diseases like ] ], ], ] and ], but invasive plants and animals are also having a devastating impact on native ]. Non-indigenous organisms can quickly occupy disturbed land and natural areas where, in the absence of their natural ]s, they are able to thrive.<ref>Krebs (2001) pp. 190–205.</ref> At the global scale this issue is being addressed through the ] but there is improved international ] legislation to minimise the transmission of pathogens and invasive organisms. Also, through ] legislation there is control the trade in rare and threatened species. Increasingly at the local level public awareness programs are alerting communities, gardeners, the nursery industry, collectors, and the pet and aquarium industries, to the harmful effects of potentially invasive species.<ref>Blood (2001).</ref>


A society with a high degree of social sustainability would lead to livable communities with a good ] (being fair, diverse, connected and democratic).<ref>{{Cite web |date=2012 |title=The Regional Institute – WACOSS Housing and Sustainable Communities Indicators Project |url=http://www.regional.org.au/au/soc/2002/4/barron_gauntlett.htm |access-date=2022-01-26 |website=www.regional.org.au}}</ref>
===Management of human consumption===
{{See|Consumption (economics)}}
] of manufacturing]]
The underlying driver of direct human impacts on the environment is human consumption.<ref>Michaelis, L. & Lorek, S. (2004). “Consumption and the Environment in Europe: Trends and Futures.” Danish Environmental Protection Agency. Environmental Project No. 904. </ref> This impact is reduced by not only consuming less but by also making the full cycle of production, use and disposal more sustainable. Consumption of goods and services can be analysed and managed at all scales through the chain of consumption, starting with the effects of individual lifestyle choices and spending patterns, through to the resource demands of specific goods and services, the impacts of economic sectors, through national economies to the global economy.<ref>Jackson, T. & Michaelis, L. (2003). "Policies for Sustainable Consumption". The UK Sustainable Development Commission. </ref> Analysis of consumption patterns relates resource use to the environmental, social and economic impacts at the scale or context under investigation. The ideas of ] resource use (the total resources needed to produce a product or service), ] (the resources needed for each dollar spent on a good or service), and ] (the amount of good or service produced for a given input of resource) are important tools for understanding the impacts of consumption with simple key resource categories indicating human needs being ], ], ]s and ].


] might have a focus on particular aspects of sustainability, for example spiritual aspects, community-based governance and an emphasis on place and locality.<ref>{{Cite journal |last1=Virtanen |first1=Pirjo Kristiina |last2=Siragusa |first2=Laura |last3=Guttorm |first3=Hanna |date=2020 |title=Introduction: toward more inclusive definitions of sustainability |journal=Current Opinion in Environmental Sustainability |language=en |volume=43 |pages=77–82 |doi=10.1016/j.cosust.2020.04.003|bibcode=2020COES...43...77V |s2cid=219663803 |doi-access=free }}</ref>
====Energy====
{{Main|Sustainable energy}}
]]]
The Sun's energy, stored by plants (]s) during ], passes through the food chain to other organisms to ultimately power all living processes. Since the ] the concentrated energy of the ] stored in fossilized plants as ]s has been a major driver of ] which, in turn, has been the source of both economic and political power. In 2007 climate scientists of the ] concluded that there was at least a 90% probability that atmospheric increase in CO<sub>2</sub> was human-induced, mostly as a result of fossil fuel emissions but, to a lesser extent from changes in land use. Stabilize the world’s climate will require high income countries to reduce their emissions by 60-90% over 2006 levels by 2050 which should hold CO<sub>2</sub> levels at 450-650 ppm from current levels of about 380 ppm. Above this level and temperatures could rise by more than {{convert|2|C|F|lk=on}} to produce “catastrophic” ].<ref>IPCC (2007). Retrieved on: 2009-03-18. </ref><ref>UNFCC (2009). Retrieved on: 2009-03-18.</ref> Reduction of current CO<sub>2</sub> levels must be achieved against a background of global population increase and developing countries aspiring to energy-intensive high consumption Western lifestyles.<ref>Goodall (2007).</ref>


=== Proposed additional dimensions ===
Reducing greenhouse emissions, referred to as ], is being tackled at all scales, ranging from tracking the passage of carbon through the ]<ref>U.S. Department of NOAA Research. Retrieved on: 2009-03-18.</ref> to the exploration of ], developing less carbon-hungry technology and transport systems and attempts by individuals to lead ] lifestyles by monitoring the fossil fuel use embodied in all the goods and services they use.<ref>Fujixerox One of many carbon calculators readily accessible on the web. Retrieved on: 2009-04-07.</ref>
Some experts have proposed further dimensions. These could cover institutional, cultural, political, and technical dimensions.<ref name="Purvis" />


====Water==== ==== Cultural sustainability ====
{{Further|Cultural sustainability}}
{{See|Water resources}}


Some scholars have argued for a fourth dimension. They say the traditional three dimensions do not reflect the complexity of contemporary society.<ref name="agenda21culture.net">{{cite web |website=United Cities and Local Governments |url=http://agenda21culture.net/index.php?option=com_content&view=article&id=131:cultural-policies-and-sustainable-development-&catid=64&Itemid=58&lang=en |title=Culture: Fourth Pillar of Sustainable Development |archive-url=https://web.archive.org/web/20131003135155/https://agenda21culture.net/index.php?option=com_content&view=article&id=131:cultural-policies-and-sustainable-development-&catid=64&Itemid=58&lang=en |archive-date=3 October 2013}}</ref> For example, ] and the ] argue that sustainable development should include a solid ]. They also advocate for a cultural dimension in all public policies. Another example was the ] approach, which included ].<ref>{{Cite encyclopedia |last1=James |first1=Paul |title=Domains of Sustainability |date=2016 |url=http://link.springer.com/10.1007/978-3-319-31816-5_2760-1 |encyclopedia=Global Encyclopedia of Public Administration, Public Policy, and Governance |pages=1–17 |editor-last=Farazmand |editor-first=Ali |place=Cham |publisher=Springer International Publishing |language=en |doi=10.1007/978-3-319-31816-5_2760-1 |isbn=978-3-319-31816-5 |access-date=2022-03-28 |last2=Magee |first2=Liam}}</ref>
] and ] are inextricably linked. In the decade 1951-60 human water withdrawals were four times greater than the previous decade. This rapid increase resulted from scientific and technological developments impacting through the ] - especially the increase in irrigated land, growth in industrial and power sectors, and intensive ] construction on all continents. This altered the ] of ]s and ]s, affected their ] and had a significant impact on the ].<ref name="Shik" /> Currently towards 35% of human water use is unsustainable, drawing on diminishing aquifers and reducing the flows of major rivers: this percentage is likely to increase if ] worsens, ]s increase, aquifers become progressively depleted and supplies become polluted and unsanitary.<ref>Clarke & King (2006) pp. 22–23.</ref> From 1961 to 2001 water demand doubled - agricultural use increased by 75%, industrial use by more than 200%, and domestic use more than 400%.<ref>Millennium Ecosystem Assessment, pp. 51–53.</ref> Humans currently use 40-50% of the globally available freshwater in the approximate proportion of 70% for ], 22% for ], and 8% for domestic purposes and the total volume is progressively increasing.<ref name="Shik">Shiklamov, I. (1998). "World Water Resources. A New Appraisal and Assessment for the 21st century." A Summary of the Monograph World Water Resources prepared in the Framework of the International Hydrological Programme. Retrieved on: 2009-03-18.</ref>


== Interactions between dimensions ==
Water efficiency is being improved on a global scale by increased ], improved infrastructure, improved water ] of agriculture, minimising the water intensity (embodied water) of goods and services, addressing shortages in the non-industrialised world, concentrating food production in areas of high productivity; and planning for ]. At the local level people are becoming more water-self-sufficient by harvesting rainwater and reducing use of mains water.<ref name="water" /><ref>Hoekstra, A.Y. & Chapagain, A.K. (2007). "The Water Footprints of Nations: Water Use by People as a Function of their Consumption Pattern." ''Water Resource Management'' '''21(1)''': 35–48.</ref>
=== Environmental and economic dimensions ===
{{Further|Weak and strong sustainability}}
{{See also|Sustainable city}}


People often debate the relationship between the environmental and economic dimensions of sustainability.<ref name="Ayres-1998" /> In academia, this is discussed under the term ]. In that model, the ''weak sustainability concept'' states that capital made by humans could replace most of the ].<ref>{{Cite journal |last1=Pearce |first1=David W. |last2=Atkinson |first2=Giles D. |date=1993 |title=Capital theory and the measurement of sustainable development: an indicator of "weak" sustainability |url=https://linkinghub.elsevier.com/retrieve/pii/0921800993900399 |journal=] |language=en |volume=8 |issue=2 |pages=103–108 |doi=10.1016/0921-8009(93)90039-9|bibcode=1993EcoEc...8..103P }}</ref><ref name="Ayres-1998">Robert U. Ayres & Jeroen C.J.M. van den Bergh & John M. Gowdy, 1998. "", Tinbergen Institute Discussion Papers 98-103/3, Tinbergen Institute.</ref> Natural capital is a way of describing environmental resources. People may refer to it as nature. An example for this is the use of ] to reduce pollution.<ref>{{Cite journal |last1=Ayres |first1=Robert |last2=van den Berrgh |first2=Jeroen |last3=Gowdy |first3=John |date=2001 |title=Strong versus Weak Sustainability |journal=] |volume=23 |issue=2 |pages=155–168 |doi=10.5840/enviroethics200123225 |issn=0163-4275}}</ref>
====Food====
]]]
{{See|Food|Food security}}


The opposite concept in that model is ''strong sustainability''. This assumes that nature provides functions that technology cannot replace.<ref>{{Cite journal |last=Cabeza Gutés |first=Maite |date=1996 |title=The concept of weak sustainability |url=https://linkinghub.elsevier.com/retrieve/pii/S0921800996800036 |journal=] |language=en |volume=17 |issue=3 |pages=147–156 |doi=10.1016/S0921-8009(96)80003-6|bibcode=1996EcoEc..17..147C }}</ref> Thus, strong sustainability acknowledges the need to preserve ecological integrity.<ref name="Berg-2020" />{{rp|19}} The loss of those functions makes it impossible to recover or repair many resources and ecosystem services. Biodiversity, along with ] and ], are examples. Others are clean air, clean water, and regulation of ]s.
The ] (APHA) defines a "sustainable food system"<ref>{{cite journal |last=Feenstra |first=G. |year=2002 |title=Creating Space for Sustainable Food Systems: Lessons from the Field |journal=Agriculture and Human Values |volume='''19 '''|issue='''2''' |pages=99–106 |doi=10.1023/A:1016095421310}}</ref><ref>{{cite journal |author=Harmon A.H., Gerald B.L.|year=2007 |month=June, |title=Position of the American Dietetic Association: Food and Nutrition Professionals Can Implement Practices to Conserve Natural Resources and Support Ecological Sustainabiility |journal=Journal of the American Dietetic Association |volume='''107 '''|issue='''6''' |pages=1033–43. |pmid=17571455 |url=http://www.eatright.org/ada/files/Conservenp.pdf |format=PDF|doi=10.1016/j.jada.2007.05.138}} Retrieved on: 2009-03-18.</ref> as "one that provides healthy food to meet current food needs while maintaining healthy ecosystems that can also provide food for generations to come with minimal negative impact to the environment. A sustainable food system also encourages local production and distribution infrastructures and makes nutritious food available, accessible, and affordable to all. Further, it is humane and just, protecting farmers and other workers, consumers, and communities."<ref>{{cite web |publisher=American Public Health Association |date=2007-06-11 |title=Toward a Healthy, Sustainable Food System (Policy Number: 200712) |url=http://www.apha.org/advocacy/policy/policysearch/default.htm?id=1361 |accessdate=: 2008-08-18}}</ref> Concerns about the environmental impacts of ] and the stark contrast between the ] problems of the Western world and the poverty and food insecurity of the developing world have generated a strong movement towards healthy, sustainable eating as a major component of overall ].<ref>Mason & Singer (2006).</ref> The environmental effects of different dietary patterns depend on many factors, including the proportion of animal and plant foods consumed and the method of food production.<ref>{{cite journal |author=McMichael A.J., Powles J.W., Butler C.D., Uauy R. |title=Food, Livestock Production, Energy, Climate change, and Health. |journal=Lancet |year=September 2007 |pmid=17868818 |doi=10.1016/S0140-6736(07)61256-2 |url=http://www.eurekalert.org/images/release_graphics/pdf/EH5.pdf |format=PDF|volume=370 |page=1253}} Retrieved on: 2009-03-18.</ref><ref>{{cite journal |author=Baroni L., Cenci L., Tettamanti M., Berati M. |title=Evaluating the Environmental Impact of Various Dietary Patterns Combined with Different Food Production Systems.|journal=Eur. J. Clin. Nutr. |year=February 2007 |volume='''61''' |issue='''2 '''|pages=279–86 |pmid=17035955 |doi=10.1038/sj.ejcn.1602522 |url=http://www-personal.umich.edu/~choucc/environmental_impact_of_various_dietary_patterns.pdf|format=PDF}} Retrieved on: 2009-03-18.</ref><ref>Steinfeld H., Gerber P., Wassenaar T., Castel V., Rosales M., de Haan, C. (2006). 390 pp. Retrieved on: 2009-03-18.</ref><ref>{{cite journal |author=Heitschmidt R.K., Vermeire L.T., Grings E.E. |title=Is Rangeland Agriculture Sustainable? |journal=Journal of Animal Science. |year=2004 |volume=82|issue=E-Suppl |pages=E138–146 |pmid=15471792 |doi= |url=}} Retrieved on: 2009-03-18.</ref> The ] has published a ''Global Strategy on Diet, Physical Activity and Health'' which was endorsed by the May 2004 ]. It recommends the Mediterranean diet which is associated with health and ] and is low in ], rich in ]s and ]s, low in added sugar and limited salt, and low in ]ty acids; the traditional source of ] in the Mediterranean is ], rich in ]. The healthy rice-based Japanese diet is also high in ]s and low in fat. Both diets are low in meat and ]s and high in ]s and other vegetables; they are associated with a low incidence of ailments and low environmental impact.<ref> World Health Organisation (2004). Copy of the strategy endorsed by the World Health Assembly. Retrieved on: 2009-6-19.</ref>


Weak sustainability has come under criticism. It may be popular with governments and business but does not ensure the preservation of the earth's ecological integrity.<ref>{{Cite book |last=Bosselmann |first=Klaus |title=The principle of sustainability: transforming law and governance |date=2017 |isbn=978-1-4724-8128-3 |edition=2nd |publisher=] |location=London |oclc=951915998}}</ref> This is why the environmental dimension is so important.<ref name="Bosselmann-2010" />
At the global level the environmental impact of agribusiness is being addressed through ] and ]. At the local level there are various movements working towards local food production, more productive use of urban wastelands and domestic gardens including ], ], ], ], ], and ].<ref> Gardensofbabylon.com. Retrieved on: 2009-07-07.</ref><ref>Holmgren, D. (March 2005). CSIRO Sustainability Network. Retrieved on: 2009-07-07.</ref>


The ] illustrated this in 2020. It found that $44 trillion of economic value generation depends on nature. This value, more than half of the world's GDP, is thus vulnerable to nature loss.<ref name="WEF-2020">WEF (2020) New Nature Economy, World Economic Forum in collaboration with PwC</ref>{{rp|8}} Three large economic sectors are highly dependent on nature: ], ], and ]. Nature loss results from many factors. They include ], sea use change and climate change. Other examples are natural resource use, pollution, and ].<ref name="WEF-2020" />{{rp|11}}
====Materials, toxic substances, waste====


=== Trade-offs ===
] sustainable teca wood from ]. Example of correct use of ] resources.]]
]s between different dimensions of sustainability are a common topic for debate. Balancing the environmental, social, and economic dimensions of sustainability is difficult. This is because there is often disagreement about the relative importance of each. To resolve this, there is a need to integrate, balance, and reconcile the dimensions.<ref name="Purvis" /> For example, humans can choose to make ecological integrity a priority or to compromise it.<ref name="Bosselmann-2010" />


Some even argue the Sustainable Development Goals are unrealistic. Their aim of universal human well-being conflicts with the physical limits of Earth and its ecosystems.<ref name="Stockholm+50-2022" />{{rp|41}}
As global population and affluence has increased, so has the use of various ]s increased in volume, diversity and distance transported. Included here are raw materials, minerals, synthetic chemicals (including hazardous substances), manufactured products, food, living organisms and waste.<ref name=VITAL>Bournay, E. et al. (2006). The Basel Convention, UNEP, GRID-Arendal. ISBN 8277010427.</ref>


== Measurement tools ==
;Materials:
{{Further|Sustainability metrics and indices}}
{{See|Dematerialization}}
] using the ']' method of the UN and Metropolis Association<ref name="James-2015">{{Cite book |last1=James |first1=Paul |url=https://www.academia.edu/9294719 |title=Urban Sustainability in Theory and Practice: Circles of Sustainability |last2=with Magee |first2=Liam |last3=Scerri |first3=Andy |last4=Steger |first4=Manfred B. |publisher=] |year=2015 |isbn=9781315765747 |location=London |author-link=Paul James (academic)}}</ref>]]{{Excerpt|Sustainability measurement|paragraphs=1|file=no}}
Sustainable use of materials has targeted the idea of ], converting the linear path of materials (extraction, use, disposal in landfill) to a ] that reuses materials as much as possible, much like the cycling and reuse of waste in nature.<ref>Anderberg, S. (1998). "Industrial metabolism and linkages between economics, ethics, and the environment". ''Ecological Economics'' '''24''': 311–320.</ref> This approach is supported by ] and the increasing use of ] at all levels, especially individual countries and the global economy.<ref>. Retrieved on: 2009-04-05.</ref>


=== Environmental impacts of humans ===
;Toxic substances:
{{Further|Planetary boundaries|Ecological footprint}}
{{See|Dangerous goods}}
] production has escalated following the stimulus it received during the second World War. Chemical production includes everything from herbicides, pesticides and fertilizers to domestic chemicals and hazardous substances.<ref>Emden & Peakall (1996).</ref> Apart from the build-up of greenhouse gas emissions in the atmosphere, chemicals of particular concern include: ], ], ], ] and all harmful chemicals capable of ]. Although most synthetic chemicals are harmless there needs to be rigorous testing of new chemicals, in all countries, for adverse environmental and health effects. International legislation has been established to deal with the global distribution and management of ].<ref>Hassall (1990).</ref><ref><. Statistics for pesticide use around the world. Retrieved on: 2009-3-10.</ref><br />
]


There are several methods to measure or describe human impacts on Earth. They include the ecological footprint, ], ], and ]. The idea of ] is that there are limits to the carrying capacity of the Earth. It is important not to cross these thresholds to prevent irreversible harm to the Earth.<ref name="Steffen-2015">{{Cite web |last1=Steffen |first1=Will |last2=Rockström |first2=Johan |last3=Cornell |first3=Sarah |last4=Fetzer |first4=Ingo |last5=Biggs |first5=Oonsie |last6=Folke |first6=Carl |last7=Reyers |first7=Belinda |date=15 January 2015 |title=Planetary Boundaries – an update |url=https://www.stockholmresilience.org/research/research-news/2015-01-15-planetary-boundaries---an-update.html |access-date=19 April 2020 |website=Stockholm Resilience Centre}}</ref><ref>{{Cite web |title=Ten years of nine planetary boundaries |url=https://www.stockholmresilience.org/research/research-news/2019-11-01-ten-years-of-nine-planetary-boundaries.html |access-date=19 April 2020 |website=Stockholm Resilience Centre |date=November 2019}}</ref> These planetary boundaries involve several environmental issues. These include climate change and ]. They also include types of pollution. These are ] (nitrogen and phosphorus), ], ], ], ], ], and chemical pollution.<ref name="Steffen-2015" /><ref>{{Cite journal |last1=Persson |first1=Linn |last2=Carney Almroth |first2=Bethanie M. |last3=Collins |first3=Christopher D. |last4=Cornell |first4=Sarah |last5=de Wit |first5=Cynthia A. |last6=Diamond |first6=Miriam L. |last7=Fantke |first7=Peter |last8=Hassellöv |first8=Martin |last9=MacLeod |first9=Matthew |last10=Ryberg |first10=Morten W. |last11=Søgaard Jørgensen |first11=Peter |date=2022-02-01 |title=Outside the Safe Operating Space of the Planetary Boundary for Novel Entities |journal=] |language=en |volume=56 |issue=3 |pages=1510–1521 |bibcode=2022EnST...56.1510P |doi=10.1021/acs.est.1c04158 |issn=0013-936X |pmc=8811958 |pmid=35038861}}</ref> (Since 2015 some experts refer to biodiversity loss as ''change in biosphere integrity''. They refer to chemical pollution as ''introduction of novel entities.'')
;Waste:
{{See|Waste management}}
Every economic activity produces material that can be classified as waste. The average human uses 45-85 tonnes of materials each year.<ref name="VITAL" /> To reduce waste industry, business and government are now mimicking nature by turning the waste produced by ] into resource. Dematerialization is being encouraged through the ideas of ], ]<ref>Fuad-Luke, A. (2006). ''The Eco-design Handbook''. London: Thames & Hudson. ISBN 9780500285213.</ref> and ] (see side bar). In addition to the well-established “reduce, reuse and recycle” shoppers are using their purchasing power for ].<ref name=Brower />


The ] measures the environmental impact of humans. It emerged in the 1970s. It states this impact is proportional to ], affluence and technology.<ref name="Ehrlich&Holden2">{{Cite magazine |last1=Ehrlich |first1=P.R. |last2=Holden |first2=J.P. |year=1974 |title=Human Population and the global environment |magazine=] |volume=62 |issue=3 |pages=282–292}}</ref> This implies various ways to increase environmental sustainability. One would be human ]. Another would be to reduce consumption and ]<ref name="Wiedmann-2020" /> such as ]. Another would be to develop innovative or ] such as ]. In other words, there are two broad aims. The first would be to have fewer consumers. The second would be to have less environmental footprint per consumer.
==Economic dimension==
{{See|Ecological economics|Environmental economics}}
]]]
Sustainability interfaces with economics through the social and ecological consequences of economic activity.<ref>Daly & Cobb (1989).</ref> Sustainability economics represents: "...&nbsp;a broad interpretation of ecological economics where environmental and ecological variables and issues are basic but part of a multidimensional perspective. Social, cultural, health-related and monetary/financial aspects have to be integrated into the analysis."<ref> Soederbaum, P. (2008). ''Understanding Sustainability Economics''. London: Earthscan. ISBN 9781844076277.</ref> At present the average per capita consumption of people in the developing world is sustainable but population numbers are increasing and individuals are aspiring to high consumption Western lifestyles. The developed world population is only increasing slightly but consumption levels are unsustainable. The challenge for sustainability is to curb and manage Western consumption while raising the standard of living of the developing world without increasing its resource use and environmental impact. This must be done by using strategies and technology that break the link between, on the one hand, economic growth and on the other, environmental damage and resource depletion.<ref>Ruffing, K. (2007). "Indicators to Measure Decoupling of Environmental Pressure from Economic Growth." In: Hak et al. (2007) pp. 211–222.</ref>


The '']'' from 2005 measured 24 ecosystem services. It concluded that only four have improved over the last 50 years. It found 15 are in serious decline and five are in a precarious condition.<ref>{{Cite book |last=Millennium Ecosystem Assessment |url=http://www.millenniumassessment.org/documents/document.354.aspx.pdf |title=Ecosystems and Human Well-being: Biodiversity Synthesis |publisher=World Resources Institute |year=2005 |location=Washington, DC}}</ref>{{rp|pp=6–19}}
In addressing this issue several key areas have been targeted for economic analysis and reform: the environmental effects of unconstrained economic growth; the consequences of nature being treated as an economic externality; and the possibility of a more ethical economics that takes greater account of the social and environmental consequences of market behaviour.<ref> Hawken, P, Lovins, A.B. & L.H. (1999). ''Natural Capitalism: Creating the next Industrial Revolution.'' Snowmass, USA: Rocky Mountain Institute. ISBN 0316353000.</ref>


=== Economic costs ===
===Decoupling environmental degradation and economic growth===
]
{{See|Ecological economics}}
Experts in ] have calculated the cost of using public natural resources. One project calculated the damage to ecosystems and biodiversity loss. This was the ] project from 2007 to 2011.<ref>TEEB (2010), </ref>
]
In the second half of the 20th century world population doubled, food production tripled, energy use quadrupled, and overall economic activity quintupled.<ref>National Research Council. (1999). ''Our Common Journey.'' Washington: National Academic Press. ISBN 1856497399.</ref> Historically there has been a close correlation between ] and ]: as communities grow, so the environment declines. This trend is clearly demonstrated on graphs of human population numbers, economic growth, and environmental indicators.<ref>Adams & Jeanrenaud (2008) p. 15.</ref>
Unsustainable economic growth has been starkly compared to the malignant growth of a cancer<ref>Abbey, E. (1968). ''Desert Solitaire''. New York: Ballantine Books, Random House. ISBN 0345326490. Actual quote from novel is: ''growth for the sake of growth is the ideology of the cancer cell''</ref> because it eats away at the Earth's ] which are its life-support system. There is concern that, unless resource use is checked, modern global civilization will follow the path of ancient civilizations that collapsed through overexploitation of their resource base.<ref name=collapse> Diamond, J. (2005).''Collapse: How Societies Choose to Fail or Succeed''. New York: Viking Books. ISBN 1586638637.</ref><ref> Diamond, J. (1997). ''Guns, Germs and Steel: the Fates of Human Societies''. New York: W.W. Norton & Co. ISBN 0393061310.</ref> While conventional economics is concerned largely with economic growth and the efficient allocation of resources, ecological economics has the explicit goal of sustainable scale (rather than continual growth), fair distribution and efficient allocation, in that order.<ref>Daly, H.E. & Farley, J. (2004). ''Ecological economics: principles and applications.'' Washington: Island Press, p.xxvi. ISBN 1559633123.</ref><ref>Costanza, R. et al. (2007). ''An introduction to ecological economics.'' Ch. 1, pp. 1–4, Ch.3, p. 3. This is an online editable text available on the Encyclopaedia of the Earth at . First published in 1997 by St. Lucie Press and the International Society for Ecological Economics. ISBN 1884015727.</ref> The ] states that "business cannot succeed in societies that fail".<ref> '']''. Accessed 2009-04-06.</ref> Sustainability studies analyse ways to reduce (decouple) the amount of resource (e.g. water, energy, or materials) needed for the production, consumption and disposal of a unit of good or service whether this be achieved from improved economic management, product design, new technology etc.<ref>Daly, H. (1996). ''Beyond Growth: The Economics of Sustainable Development''. Boston: Beacon Press. ISBN 0807047090.</ref> Ecological economics includes the study of societal metabolism, the throughput of resources that enter and exit the economic system in relation to ].<ref>Cleveland, C.J. , ''Encyclopedia of Earth'', Last updated: 14 September, 2006. Retrieved on: 2009-03-17.</ref><ref>{{cite book|last=Costanza|first=Robert|coauthors=Cumberland, John; Daly, Herman; Goodland, Robert; Norgaard, Richard|title=An Introduction to Ecological Economics|publisher=St. Lucie Press and International Society for Ecological Economics|date=1997|isbn=1884015727|accessdate=13 October 2009}}</ref>


An entity that creates environmental and social costs often does not pay for them. The market price also does not reflect those costs. In the end, government policy is usually required to resolve this problem.<ref name="Jaeger">{{Cite book |last=Jaeger |first=William K. |url=https://islandpress.org/books/environmental-economics-tree-huggers-and-other-skeptics |title=Environmental economics for tree huggers and other skeptics |date=2005 |publisher=] |isbn=978-1-4416-0111-7 |location=Washington, DC |oclc=232157655}}</ref>
===Nature as an economic externality===


Decision-making can take future costs and benefits into account. The tool for this is the ]. The bigger the concern for future generations, the lower the social discount rate should be.<ref>Groth, Christian (2014). '''', (mimeo), Chapter 8: Choice of social discount rate. Copenhagen University.</ref> Another approach is to put an economic value on ecosystem services. This allows us to assess environmental damage against perceived short-term welfare benefits. One calculation is that, "for every dollar spent on ecosystem restoration, between three and 75 dollars of economic benefits from ecosystem goods and services can be expected".<ref></ref>
{{See|Ecosystem services}}
The economic importance of nature is indicated by the use of the expression ] to highlight the market relevance of an increasingly scarce natural world that can no longer be regarded as both unlimited and free.<ref name = Tragedy>Hardin, G. (December 1968). ''Science'' '''162(3859)''', 1243–1248. Retrieved on: 2009-03-17.</ref>
In general as a ] or service becomes more scarce the ] increases and this acts as a restraint that encourages frugality, technical innovation and alternative products. However, this only applies when the product or service falls within the market system.<ref>Nemetz, P.N. (2003). "Basic Concepts of Sustainable Development for Business Students." ''Journal of International Business Education'' '''1(1)'''.</ref> As ecosystem services are generally treated as economic ] they are unpriced and therefore overused and degraded, a situation sometimes referred to as the ].<ref name = Tragedy/>


In recent years, economist ] has developed the concept of ]. This aims to integrate social and environmental sustainability into economic thinking. The social dimension acts as a minimum standard to which a society should aspire. The carrying capacity of the planet acts an outer limit.<ref>{{Cite book |last=Raworth |first=Kate |title=Doughnut economics: seven ways to think like a 21st-century economist |date=2017 |publisher=] |isbn=978-1-84794-138-1 |location=London |oclc=974194745}}</ref>
One approach to this dilemma has been the attempt to "internalise" these "externalities" by using market strategies like ] and incentives, tradeable permits for carbon, water and nitrogen use etc., and the encouragement of payment for ecosystem services. ] such as ], a ] and ] have also been promoted as a way of supporting local economies and the environment.<ref></ref><ref></ref> ] is another market-based attempt to address issues of equity and the environment.<ref>Scott Cato, M. (2009). ''Green Economics''. London: Earthscan, pp. 142–150. ISBN 9781844075713.</ref>
The global recession and a range of government policies that have been connected to that, are likely to bring the biggest annual fall in the world's carbon dioxide emissions in 40 years.<ref>{{cite news|url=http://news.bbc.co.uk/1/hi/sci/tech/8267475.stm|title=Recession and policies cut carbon |last=Black|first=Richard|date=21 September 2009|publisher=]|accessdate=2009-10-13}}</ref>


== Barriers ==
===Economic opportunity===
There are many reasons why sustainability is so difficult to achieve. These reasons have the name ''sustainability barriers''.<ref name="Berg-2020" /><ref name="Howes-2017">{{Cite journal |last1=Howes |first1=Michael |last2=Wortley |first2=Liana |last3=Potts |first3=Ruth |last4=Dedekorkut-Howes |first4=Aysin |last5=Serrao-Neumann |first5=Silvia |last6=Davidson |first6=Julie |last7=Smith |first7=Timothy |last8=Nunn |first8=Patrick |date=2017 |title=Environmental Sustainability: A Case of Policy Implementation Failure? |journal=] |language=en |volume=9 |issue=2 |pages=165 |doi=10.3390/su9020165 |issn=2071-1050 |doi-access=free|hdl=10453/90953 |hdl-access=free }}</ref> Before addressing these barriers it is important to analyze and understand them.<ref name="Berg-2020" />{{rp|34}} Some barriers arise from nature and its complexity ("everything is related").<ref name="Harrington-2016" /> Others arise from the human condition. One example is the ]. This reflects the fact that people often do not act according to their convictions. Experts describe these barriers as ''intrinsic'' to the concept of sustainability.<ref name="Berg-2017">{{Cite journal |last=Berg |first=Christian |date=2017 |title=Shaping the Future Sustainably – Types of Barriers and Tentative Action Principles (chapter in: Future Scenarios of Global Cooperation—Practices and Challenges) |url=https://www.gcr21.org/en/publications/global-dialogues/2198-0403-gd-14/ |journal=] |issue=14 |language=en |publisher=Centre For Global Cooperation Research (KHK/GCR21), Nora Dahlhaus and Daniela Weißkopf (eds.) |doi=10.14282/2198-0403-GD-14 |issn=2198-0403}}</ref>{{rp|81}}
Treating the environment as an externality may generate short-term profit at the expense of sustainability.<ref>Kinsley, M. (1977). Rocky Mountain Institute, Snowmass, Colorado, USA. Retrieved on: 2009-06-17</ref> ] practices, on the other hand, integrate ecological concerns with social and economic ones (i.e., the ]).<ref>Kinsley, M. and Lovins, L.H. (September 1997). Retrieved on: 2009-06-15.</ref> Growth that depletes ecosystem services is sometimes termed "]" as it leads to a decline in ].<ref>Daly, H. (2007). Ecological economics: the concept of scale and its relation to allocation, distribution, and uneconomic growth. pp. 82–103. In H. Daly. ''Ecological Economics and Sustainable Development: Selected Essays of Herman Daly''. Cheltenham, UK: Edward Elgar.</ref><ref>Daly, H. (1999). Uneconomic growth and the built environment: in theory and in fact. In C.J. Kibert (ed.). ''Reshaping the Built Environment: Ecology, Ethics, and Economics''. Washington DC: Island Press.</ref> Minimising such growth can provide opportunities for local businesses. For example, industrial waste can be treated as an "economic resource in the wrong place". The benefits of ] include savings from disposal costs, fewer environmental penalties, and reduced liability insurance. This may lead to increased market share due to an improved public image.<ref>Jackson, T. (February 2008). ''Journal of Industrial Ecology'' '''2:(1)''': 3–5.</ref><ref>Hargroves, K. & Smith, M. (eds.) (2005). ''The Natural Advantage of Nations: Business Opportunities, Innovation and Governance in the 21st Century.'' London: Earthscan/James&James. ISBN 1844071219. (See the book's )</ref> Energy efficiency can also increase profits by reducing costs.


Other barriers are ''extrinsic'' to the concept of sustainability. This means it is possible to overcome them. One way would be to put a price tag on the consumption of public goods.<ref name="Berg-2017" />{{rp|84}} Some extrinsic barriers relate to the nature of dominant institutional frameworks. Examples would be where market mechanisms fail for ]. Existing societies, economies, and cultures encourage increased consumption. There is a structural imperative for growth in ] economies. This inhibits necessary societal change.<ref name="Wiedmann-2020">{{Cite journal |last1=Wiedmann |first1=Thomas |last2=Lenzen |first2=Manfred |last3=Keyßer |first3=Lorenz T. |last4=Steinberger |first4=Julia K. |date=2020 |title=Scientists' warning on affluence |journal=] |language=en |volume=11 |issue=1 |pages=3107 |doi=10.1038/s41467-020-16941-y |issn=2041-1723 |pmc=7305220 |pmid=32561753 |bibcode=2020NatCo..11.3107W}}] Text was copied from this source, which is available under a </ref>
The idea of sustainability as a business opportunity has led to the formation of organizations such as the Sustainability Consortium of the ], the Sustainable Business Institute, and the World Council for Sustainable Development.<ref>See, for example: Zhexembayeva, N. (May 2007). Case Western University, Center for Business as an Agent of World Benefit 3(2) and websites of , and Retrieved on: 2009-04-01.</ref> The expansion of sustainable business opportunities can contribute to ] through the introduction of ] workers.<ref> ''The Guardian'', February, 2009.</ref>


Furthermore, there are several barriers related to the difficulties of implementing sustainability policies. There are trade-offs between the goals of environmental policies and economic development. Environmental goals include nature conservation. Development may focus on poverty reduction.<ref name="Howes-2017" /><ref name="Berg-2020" />{{rp|65}} There are also trade-offs between short-term profit and long-term viability.<ref name="Berg-2017" />{{rp|65}} Political pressures generally favor the short term over the long term. So they form a barrier to actions oriented toward improving sustainability.<ref name="Berg-2017" />{{rp|86}}
==Social dimension==
{{See|Social sustainability}}


Barriers to sustainability may also reflect current trends. These could include ] and ].<ref name="Berg-2017" />{{rp|86}}
Sustainability issues are generally expressed in ] and environmental terms, but implementing change is a social challenge that entails, among other things, ] and national ], ] and ], local and individual ] and ].<ref>] "Declaration of the 1992 Rio Conference on Environment and Development." Retrieved on: 2009-03-16.</ref> "The relationship between human rights and human development, corporate power and environmental justice, global poverty and citizen action, suggest that responsible global citizenship is an inescapable element of what may at first glance seem to be simply matters of personal consumer and moral choice."<ref name = Blewitt2008,96>Blewitt (2008) p. 96.</ref>


== Transition ==
===Peace, security, social justice===
] involves achieving sustainability through reform of existing liberal democratic institutions, while ecological democracy seeks to do so through a radical departure from existing democratic institutions.<ref name=":1">{{Cite journal |last1=Pickering |first1=Jonathan |last2=Hickmann |first2=Thomas |last3=Bäckstrand |first3=Karin |last4=Kalfagianni |first4=Agni |last5=Bloomfield |first5=Michael |last6=Mert |first6=Ayşem |last7=Ransan-Cooper |first7=Hedda |last8=Lo |first8=Alex Y. |date=2022 |title=Democratising sustainability transformations: Assessing the transformative potential of democratic practices in environmental governance |journal=Earth System Governance |language=en |volume=11 |pages=100131 |doi=10.1016/j.esg.2021.100131|doi-access=free|bibcode=2022ESGov..1100131P }} ] Text was copied from this source, which is available under a </ref>]]
{{See|Peace|Social justice}}
=== Characteristics ===
Social disruptions like ], ] and ] divert resources from areas of greatest human need, damage the capacity of societies to plan for the future, and generally threaten human well-being and the environment.<ref name = Blewitt2008,96/> Broad-based strategies for more sustainable social systems include: improved education and the political empowerment of women, especially in developing countries; greater regard for social justice notably equity between rich and poor both within and between countries; and intergenerational equity.<ref name=Cohen2006/> Depletion of natural resources including fresh water<ref> from ] 2008 Retrieved on: 2009-03-16.</ref> increases the likelihood of “resource wars”.<ref>Billon, P. (ed.) (2005) Retrieved on: 2009-04-05.</ref> This aspect of sustainability has been referred to as ] and creates a clear need for ] to manage resources such as aquifers and rivers which span political boundaries, and to protect global systems including ] and the ].<ref>Kobtzeff, O. (2000). “Environmental Security and Civil Society”. In Gardner, H. (ed.) ''Central and South-central Europe in Transition''. Westport, Connecticut: Praeger, pp. 219–296.</ref>
While no consensus definition exists, ''sustainability'' ''transformation'' (or ''transition'') can be understood as “a fundamental, system-wide reorganization across technological, economic and social factors, including paradigms, goals and values”.<ref name=":1" /> Sustainability transformation is a process which is complex, multi-dimensional and politically contested. It needs to occur at scales ranging from households and communities to states and regional and ] institutions. However, societal transformations are politically contested because different stakeholders may disagree over both the ends that transformation should achieve and the means of achieving those ends. Another reason is that transformations may involve or require disrupting existing configurations of power and resources.<ref name=":1" />


There are long-standing debates in research and policy about whether democratic practices are capable of fostering timely, large-scale transformations towards sustainability. While a few scholars argue that large-scale transformation to sustainability will require the rollback of democratic safeguards or the imposition of technocratic or authoritarian rule, a majority of researchers on the democracy-environment nexus argue that ] and sustainability transformation are mutually supportive.<ref name=":1" />
===Human settlements===
{{Quote box
| quote = <center text>''']'''<br /></center text>
1. Reduce dependence upon fossil fuels,<br />
underground metals, and minerals<br />
2. Reduce dependence upon synthetic chemicals<br />
and other unnatural substances<br />
3. Reduce encroachment upon nature<br />
4. Meet human needs fairly & efficiently<ref name = James/>
}}
One approach to ], exemplified by small-scale urban ] and rural ], seeks to create self-reliant communities based on principles of ], which maximise ] particularly in food production. These principles, on a broader scale, underpin the concept of a ] economy.<ref>{{cite web|url=http://www.vtcommons.org/journal/2006/02/kirkpatrick-sale-economics-scale-vs-scale-economics-towards-basic-principles-bioregi|title=Economics of Scale vs. the Scale of Economics - Towards Basic Principles of a Bioregional Economy|last=Sale|first=Kirkpatrick|date=24 February 2006|publisher=Vermont Commons|accessdate=2009-10-13}}</ref> Other approaches, loosely based around ], are successfully reducing environmental impacts by altering the built environment to create and preserve ] which support ]. Residents in compact urban neighbourhoods drive fewer miles, and have significantly lower environmental impacts across a range of measures, compared with those living in ] suburbs.<ref>Ewing, R . Retrieved on: 2009-03-16.</ref>


A ''sustainability transition'' requires major change in societies. They must change their fundamental values and organizing principles.<ref name="Swart, R.-2002" />{{rp|15}} These new values would emphasize "the quality of life and material sufficiency, human solidarity and global equity, and affinity with nature and environmental sustainability".<ref name="Swart, R.-2002" />{{rp|15}} A transition may only work if far-reaching lifestyle changes accompany technological advances.<ref name="Wiedmann-2020" />
Ultimately, the degree of human progress towards sustainability will depend on large scale ] which influence both community choices and the built environment. ] may be one such movement.<ref>LaColla, T. . theplanningcommission.org. Retrieved on: 2009-03-16.</ref> Eco-municipalities take a ] approach, based on sustainability principles. The eco-municipality movement is participatory, involving community members in a bottom-up approach. In Sweden, more than 70 cities and towns — 25 per cent of all municipalities in the country — have adopted a common set of ] and implemented these systematically throughout their municipal operations. There are now twelve eco-municipalities in the United States and the ] has adopted sustainability objectives based on the same principles.<ref name = James>James, S. (2003). . Retrieved on: 2009-03-16.</ref>


Scientists have pointed out that: "Sustainability transitions come about in diverse ways, and all require civil-society pressure and evidence-based advocacy, political leadership, and a solid understanding of policy instruments, markets, and other drivers."<ref name="Ripple-2017" />
===Human relationship to nature===
According to ], the idea that humans must dominate nature is common in ] societies. Bookchin contends that ] and ] relationships, if unchecked, have the capacity to reduce the planet to a mere resource to be exploited. Nature is thus treated as a ]: “The plundering of the human spirit by the market place is paralleled by the plundering of the earth by capital.”<ref>Bookchin, M. (2004). ''Post Scarcity Anarchism.'' Oakland: AK Press, pp. 24–25. ISBN 9781904859062.</ref> Still more basically, Bookchin argued that most of the activities that consume energy and destroy the environment are senseless because they contribute little to quality of life and well being. The function of work is to legitimse, even create, hierarchy. For this reason understanding the transformation of organic into hierarchical societies is crucial to finding a way forward.<ref>Bookchin, M. (2005). ''The Ecology of Freedom: the emergence and dissolution of hierarchy." '' Oakland: AK Press. ISBN 1904859267.</ref>


There are four possible overlapping processes of transformation. They each have different political dynamics. Technology, markets, government, or citizens can lead these processes.<ref name="Scoones-2016" />
], founded by Bookchin, is based on the conviction that nearly all of humanity's present ecological problems originate in, indeed are mere symptoms of, dysfunctional social arrangements. Whereas most authors proceed as if our ecological problems can be fixed by implementing recommendations which stem from physical, biological, economic etc studies, Bookchin's claim is that these problems can only be resolved by understanding the underlying social processes and intervening in those processes by applying the concepts and methods of the social sciences.<ref>Bookchin, M. (2007). ''Social Ecology and Communalism.'' Oakland: AK Press, p. 19. ISBN 9781904859499.</ref>


The ] defines a sustainability transition as "a fundamental and wide-ranging transformation of a socio-technical system towards a more sustainable configuration that helps alleviate persistent problems such as climate change, pollution, biodiversity loss or resource scarcities."<ref>{{Cite book |last=European Environment Agency. |url=https://data.europa.eu/doi/10.2800/641030 |title=Sustainability transitions: policy and practice. |date=2019 |publisher=Publications Office |location=LU |doi=10.2800/641030 |isbn=9789294800862}}</ref>{{rp|152}} The concept of sustainability transitions is similar to the concept of ]s.<ref>{{cite book | last=Noura Guimarães | first=Lucas | chapter=Introduction |date=2020 |title=The regulation and policy of Latin American energy transitions |pages=xxix–xxxviii |publisher=Elsevier |language=en |doi=10.1016/b978-0-12-819521-5.00026-7 |doi-access=free |isbn=978-0-12-819521-5 |s2cid=241093198 }}</ref>
] establishes principles for the well-being of all life on Earth and the richness and diversity of life forms. This is only compatible with a substantial decrease of the human population and the end of human interference with the nonhuman world. To achieve this, deep ecologists advocate policies for basic economic, technological, and ideological structures that will improve the '']'' rather than the '']'' . Those who subscribe to these principles are obliged to make the necessary change happen.<ref>Devall, W. and G. Sessions (1985). ''Deep Ecology: Living As If Nature Mattered.'' Layton, Utah: Gibbs Smith, p. 70. ISBN 9780879052478.</ref>


One expert argues a sustainability transition must be "supported by a new kind of culture, a new kind of collaboration, a new kind of leadership".<ref>{{Cite book |last=Kuenkel |first=Petra |title=Stewarding Sustainability Transformations: An Emerging Theory and Practice of SDG Implementation |date=2019 |isbn=978-3-030-03691-1 |location=Cham |oclc=1080190654 |publisher=Springer}}</ref> It requires a large investment in "new and greener capital goods, while simultaneously shifting capital away from unsustainable systems".<ref name="Stockholm+50-2022" />{{rp|107}}
==Transition==
{{See| Sociocultural evolution}}
]


In 2024 an interdisciplinary group of experts including ], ], ], ], ], ], ], ] and ] advocated for a paradigm shift toward genuine sustainability and resource regeneration. They said that "such a transformation is imperative to reverse the tide of biodiversity loss due to overconsumption and to reinstate the security of food and water supplies, which are foundational for the survival of global populations."<ref>{{cite journal |last1=Fletcher |first1=Charles |last2=Ripple |first2=William J. |last3=Newsome |first3=Thomas |last4=Barnard |first4=Phoebe |last5=Beamer |first5=Kamanamaikalani |last6=Behl |first6=Aishwarya |last7=Bowen |first7=Jay |last8=Cooney |first8=Michael |last9=Crist |first9=Eileen |last10=Field |first10=Christopher |last11=Hiser |first11=Krista |last12=Karl |first12=David M. |last13=King |first13=David A. |last14=Mann |first14=Michael E. |last15=McGregor |first15=Davianna P. |date=4 April 2024 |title=Earth at risk: An urgent call to end the age of destruction and forge a just and sustainable future |url=https://academic.oup.com/pnasnexus/article/3/4/pgae106/7638480?login=false |journal=PNAS Nexus |volume=3 |issue=4 |pages= pgae106|doi=10.1093/pnasnexus/pgae106 |pmc=10986754 |pmid=38566756 |access-date=4 April 2024 |last16=Mora |first16=Camilo |last17=Oreskes |first17=Naomi |last18=Wilson |first18=Michael|doi-access=free}} ] Text was copied from this source, which is available under a </ref>
The earth has a finite capacity to provide resources and to absorb waste, and human demands already exceed that capacity.<ref>Millennium Ecosystem Assessment, pp. 1–85.</ref> Current lifestyles in the developed world, to which many people in the developing world also aspire, rely on depleting natural capital and are unsustainable.<ref>Sachs, J. (September 2008) ''Scientific American Magazine'' extract. Retrieved on: 2009-04-06.</ref> The United Nations has stated, in the ], that "current unsustainable patterns of production and consumption must be changed".<ref> Retrieved on: 2009-04-06.</ref> Yet weight of information and scientific evidence is often insufficient to produce necessary social change, especially if that change entails moving people out of their ]s.<ref>Macy, J. & Young Brown, M. (1998). ''Coming Back to Life: Practices to Reconnect Our Lives, Our World''. Gabriola Island: New Society Publishers, pp. 25–37. ISBN 086571391X.</ref>


=== Principles ===
There is a wealth of advice available to individuals wishing to reduce their personal impact on the environment through small, cheap and easily achievable steps.<ref>Sustainable Environment for Quality of Life. Retrieved on: 2009-06-13.</ref><ref>Suzuki, D. (2009). David Suzuki Foundation. Retrieved on: 2009-06-13.</ref> But the transition required to reduce global human consumption to within sustainable limits involves much larger changes, at all levels and contexts of society.<ref>] Retrieved on: 2009-04-12.</ref> The ] have recognised the central role of education, and have declared a ], 2005-2014, </font>which aims to "challenge us all to adopt new behaviours and practices to secure our future".<ref>United Nations Environment Programme (2009). Retrieved on: 2009-04-09.</ref> The ] proposes a strategy for sustainability that goes beyond education to tackle underlying individualistic and materialistic ] head-on and strengthen people's connections with the natural world.<ref>WWF. (April, 2008). . Summary also available here . Retrieved on: 2009-03-13.</ref> The level of change required to safeguard the life-supporting capacity of the Earth sets new challenges for community and political structures.<ref>United Nations (1992). ]. Retrieved on: 2009-04-29.</ref>
It is possible to divide action principles to make societies more sustainable into four types. These are nature-related, personal, society-related and systems-related principles.<ref name="Berg-2020" />{{rp|206}}


* Nature-related principles: ]; reduce human environmental impact by efficiency, sufficiency and consistency; be net-positive – build up environmental and societal capital; prefer local, seasonal, plant-based and labor-intensive; ]; ]; and appreciate and celebrate the beauty of nature.
==See also==
* Personal principles: practise contemplation, apply policies with caution, celebrate frugality.
{{portalbox
* Society-related principles: grant the least privileged the greatest support; seek mutual understanding, trust and many wins; strengthen social cohesion and collaboration; engage stakeholders; foster education – share knowledge and collaborate.
|name1=Environment
* Systems-related principles: apply ]; foster diversity; make what is relevant to the public more transparent; maintain or increase option diversity.
|image1=Devils Punchbowl Waterfall, New Zealand.jpg
|name2=Ecology
|image2=Earth flag PD.jpg
|name3=Earth sciences
|image3=Terra.png
|name4=Sustainable development
|image4= Sustainable development.svg
|name5=Energy
|image5=Crystal_energy.svg
|name6=WaterPortal
|image6=Portal.svg}}
* ]
* ]
* ]
</div>
{{clear}}


=== Example steps ===
==Notes==
There are many approaches that people can take to transition to environmental sustainability. These include maintaining ecosystem services, protecting and co-creating common resources, reducing food waste, and promoting dietary shifts towards plant-based foods.<ref>{{Cite web |last=Smith |first=E. T. |date=2024-01-23 |title=Practising Commoning |url=https://commonslibrary.org/practising-commoning/ |access-date=2024-02-23 |website=The Commons Social Change Library |language=en-AU}}</ref> Another is reducing population growth by cutting ]. Others are promoting new ], and adopting ] sources while phasing out subsidies to ]s.<ref name="Ripple-2017" />
{{reflist|2}}


In 2017 scientists published an update to the 1992 ]. It showed how to move towards environmental sustainability. It proposed steps in three areas:<ref name="Ripple-2017" />
==References==
{{refbegin|2}}
* Adams, W. M. and Jeanrenaud, S. J. (2008). Gland, Switzerland: IUCN. 108 pp.&nbsp;ISBN 9782831710723.
* Blewitt, J. (2008). ''Understanding Sustainable Development''. London: Earthscan. ISBN 9781844074549.
* Blood, K. (2001). ''Environmental Weeds''. Mt Waverley, Victoria: C.H. Jerram & Associates. ISBN 0957908601. An example of a local guide to invasive plants.
* Botkin, D.B. (1990). ''Discordant Harmonies, a New Ecology for the 21st century.'' New York: Oxford University Press. ISBN 9780195074697.
* Brower, M. & Leon, W. (1999). ''The Consumer's Guide to Effective Environmental Choices: Practical Advice from the Union of Concerned Scientists.'' New York: Three Rivers Press. ISBN 060980281X.
* Clark, D. (2006). ''A Rough Guide to Ethical Living''. London: Penguin. ISBN 9781843537922
* Clarke, R. & King, J. (2006). ''The Atlas of Water.'' London: Earthscan. ISBN 9781844071333.
* Daly, H. & J. Cobb (1989). ''For the Common Good: Redirecting the Economy Toward Community, the Environment and a Sustainable Future.'' Boston: Beacon Press. ISBN 0807047031.
* Diamond, J. (2005). ''Collapse: How Societies Choose to Fail or Succeed''. New York: Viking Books. ISBN 1586638637.
* Emden, H.F. van & Peakall, D.B. (1996). ''Beyond Silent Spring.'' Berkeley: Springer. ISBN 9780412728105.
* Goodall, C. (2007). ''How to Live a Low-carbon Life''. London: Earthscan. ISBN 9781844074266.
* Goudie A. (2005). ''The Human Impact on the Natural Environment.'' 6th ed. Oxford: Blackwell Publishing. ISBN 9781405127042.
* Groombridge, B. & Jenkins, M.D. (2002). ''World Atlas of Biodiversity''. Berkeley: University of California Press. ISBN 9780520236684.
* Hak, T. et al. (2007). ''Sustainability Indicators'', SCOPE 67. London: Island Press. ISBN 1597261319.
* Hassall, K.A. (1990). ''The Biochemistry and Uses of Pesticides.'' London: Macmillan. ISBN 0333497899.
* Krebs, C.J. (2001). ''Ecology: the Experimental Analysis of Distribution and Abundance''. Sydney: Benjamin Cummings. ISBN 0321042891.
* Leakey, R. & Lewin, R. (1995). ''The Sixth Extinction: Patterns of Life and the Future of Humankind''. New York: Bantam Dell Publishing Group. ISBN 0385468091
* Lindenmayer, D. & Burgman, M. (2005). ''Practical Conservation Biology''. Collingwood, Victoria: CSIRO Publishing. ISBN 0643090894.
* Lutz W., Sanderson W.C., & Scherbov S. (2004). ''The End of World Population Growth in the 21st Century'' London: Earthscan. ISBN 1844070891.
* Mason, J. & Singer, P. (2006). ''The Way We Eat: Why Our Food Choices Matter''. London: Random House. ISBN 157954889X
* Meadows, D.H., D.L. Meadows, J. Randers, and W. Behrens III. (1972). ''The Limits to Growth.'' New York: Universe Books. ISBN 0876631650.
* Nordhaus, W. and J. Tobin (1972) ''Is growth obsolete?''. Columbia University Press, New York.
* Pearce, D., Barbier, E.. & Markandya, A. (2000). ''Sustainable Development Economics and Environment in the Third World.'' London: Earthscan. ISBN 9781853830884.
* Porritt, J. (2006). ''Capitalism as if the world mattered''. London: Earthscan. ISBN 9781844071937.
* Randall, R. (2002). ''A Global Compendium of Weeds.'' Meredith, Victoria, Australia: R.G. & F.J. Richardson. ISBN 9780958743983.
* Smil, V. (2000). ''Cycles of Life''. New York: Scientific American Library. ISBN 9780716750796.
* Tudge, C. (2004). ''So Shall We Reap''. London: Penguin Books. ISBN 0141009500.
* ] (2004). ''A Short History of Progress.'' Toronto: Anansi. ISBN 0887847064.
* Wilson, E.O. (2002). ''The Future of Life''. New York: Knopf. ISBN 0679450785.
{{refend}}


* Reduced consumption: reducing food waste, promoting dietary shifts towards mostly plant-based foods.
==Further reading==
* Reducing the number of consumers: further reducing fertility rates and thus population growth.
{{refbegin|colwidth=30em}}
* Technology and nature conservation: there are several related approaches. One is to maintain nature's ecosystem services. Another is promote new green technologies. Another is changing energy use. One aspect of this is to adopt renewable energy sources. At the same time it is necessary to end subsidies to energy production through ]s.
* Atkinson, G., Dietz, S. & Neumayer, E. (2007). ''Handbook of Sustainable Development''. Cheltenham: Edward Elgar. ISBN 9781843765776.
* Bartlett, A. (1998). revised version (January 1998) paper first published in ''Population & Environment'' '''16(1)''': 5–35. Retrieved on: 2009-03-12.* Benyus, J. (1997). ''Biomimicry: Innovations Inspired by Nature''. New York: William Morrow. ISBN 0060533226.
* Blackburn, W.R. (2007). ''The Sustainability Handbook''. London: Earthscan. ISBN 9781844074952.
* Costanza, R., Graumlich, L.J. & Steffen, W. (eds), (2007). ''Sustainability or Collapse? An Integrated History and Future of People on Earth''. Cambridge, MA.: MIT Press. ISBN 9780262033664.
* Norton, B. (2005). ''Sustainability, A Philosophy of Adaptive Ecosystem Management''. Chicago: The University of Chicago Press. ISBN 9780226595214.
{{refend}}


==== Agenda 2030 for the Sustainable Development Goals ====
==External links==
]
{{sisterlinks|Sustainability}}
In 2015, the United Nations agreed the ] (SDGs). Their official name is Agenda 2030 for the Sustainable Development Goals. The UN described this programme as a very ambitious and transformational vision. It said the SDGs were of unprecedented scope and significance.<ref name=":1b" />{{rp|3/35}}
{{Misplaced Pages-Books}}
* at Microdocs
*
* at Microdocs
*
* on-line book by ] and Steven Kraines
* {{dmoz|Science/Environment/Sustainability|Sustainability}}
* published by Sustain: The alliance for better food and farming (UK)


The UN said: "We are determined to take the bold and transformative steps which are urgently needed to shift the world on to a sustainable and resilient path."<ref name=":1b" />
{{Sustainability |state=collapsed}}

The 17 goals and targets lay out transformative steps. For example, the SDGs aim to protect the future of planet Earth. The UN pledged to "protect the planet from degradation, including through sustainable consumption and production, sustainably managing its natural resources and taking urgent action on climate change, so that it can support the needs of the present and future generations".<ref name=":1b" />

== Options for overcoming barriers ==
{{Further|Sustainable development#Pathways}}

=== Issues around economic growth ===
{{Further|Eco-economic decoupling|Degrowth|Steady-state economy}}

] is an idea to resolve tradeoffs between economic growth and environmental conservation. The idea is to "decouple ''environmental bads'' from ''economic goods'' as a path towards sustainability".<ref name="Vaden-2020" /> This would mean "using less resources per unit of economic output and reducing the environmental impact of any resources that are used or economic activities that are undertaken".<ref name="UNEP2011" />{{rp|8}} The intensity of ]s emitted makes it possible to measure pressure on the environment. This in turn makes it possible to measure decoupling. This involves following changes in the ] associated with economic output.<ref name="UNEP2011" /> Examples of absolute long-term decoupling are rare. But some industrialized countries have decoupled GDP growth from production- and consumption-based {{CO2}} emissions.<ref name="Wiedenhofer">{{Cite journal |last1=Haberl |first1=Helmut |last2=Wiedenhofer |first2=Dominik |last3=Virág |first3=Doris |last4=Kalt |first4=Gerald |last5=Plank |first5=Barbara |last6=Brockway |first6=Paul |last7=Fishman |first7=Tomer |last8=Hausknost |first8=Daniel |last9=Krausmann |first9=Fridolin |last10=Leon-Gruchalski |first10=Bartholomäus |last11=Mayer |first11=Andreas |date=2020 |title=A systematic review of the evidence on decoupling of GDP, resource use and GHG emissions, part II: synthesizing the insights |journal=] |volume=15 |issue=6 |pages=065003 |bibcode=2020ERL....15f5003H |doi=10.1088/1748-9326/ab842a |issn=1748-9326 |s2cid=216453887|doi-access=free }}</ref> Yet, even in this example, decoupling alone is not enough. It is necessary to accompany it with "sufficiency-oriented strategies and strict enforcement of absolute reduction targets".<ref name="Wiedenhofer" />{{rp|1}}

One study in 2020 found no evidence of necessary decoupling. This was a ] of 180 scientific studies. It found that there is "no evidence of the kind of decoupling needed for ecological sustainability" and that "in the absence of robust evidence, the goal of decoupling rests partly on faith".<ref name="Vaden-2020" /> Some experts have questioned the possibilities for decoupling and thus the feasibility of ].<ref name="Parrique T-2019">Parrique T., Barth J., Briens F., C. Kerschner, Kraus-Polk A., Kuokkanen A., Spangenberg J.H., 2019. . European Environmental Bureau.</ref> Some have argued that decoupling on its own will not be enough to reduce environmental pressures. They say it would need to include the issue of economic growth.<ref name="Parrique T-2019" /> There are several reasons why adequate decoupling is currently not taking place. These are rising energy expenditure, ]s, problem shifting, the underestimated impact of services, the limited potential of recycling, insufficient and inappropriate technological change, and cost-shifting.<ref name="Parrique T-2019" />

The decoupling of economic growth from environmental deterioration is difficult. This is because the entity that causes environmental and social costs does not generally pay for them. So the market price does not express such costs.<ref name="Jaeger" /> For example, the cost of packaging into the price of a product. may factor in the cost of packaging. But it may omit the cost of disposing of that packaging. Economics describes such factors as ], in this case a negative externality.<ref>{{cite book |first=Arthur Cecil |last=Pigou |date=1932 |url=https://edisciplinas.usp.br/pluginfile.php/4154221/mod_resource/content/0/Pigou-The_Economic_of_Welfare_1920.pdf |title=The Economics of Welfare |edition=4th |location=London |publisher=Macmillan}}</ref> Usually, it is up to government action or local governance to deal with externalities.<ref>{{Cite book |last=Jaeger |first=William K. |title=Environmental economics for tree huggers and other skeptics |date=2005 |publisher=] |isbn=978-1-4416-0111-7 |location=Washington, DC |oclc=232157655}}</ref>

There are various ways to incorporate environmental and social costs and benefits into economic activities. Examples include: taxing the activity (the ]); subsidizing activities with positive effects (rewarding ]); and outlawing particular levels of damaging practices (legal limits on pollution).<ref name="Jaeger" />

=== Government action and local governance ===
A textbook on natural resources and environmental economics stated in 2011: "Nobody who has seriously studied the issues believes that the economy's relationship to the natural environment can be left entirely to market forces."<ref>{{Cite book |title=Natural resource and environmental economics |date=2011 |publisher=Pearson Addison Wesley |author=Roger Perman |author2=Yue Ma |author3=Michael Common |author4=David Maddison |author5=James Mcgilvray |isbn=978-0-321-41753-4 |edition=4th |location=Harlow, Essex |oclc=704557307}}</ref>{{rp|15}} This means natural resources will be over-exploited and destroyed in the long run without government action.

] (winner of the 2009]) expanded on this. She stated that local governance (or self-governance) can be a third option besides the market or the national government.<ref name="Anderies-2012">{{Cite journal |last1=Anderies |first1=John M. |last2=Janssen |first2=Marco A. |date=2012-10-16 |title=Elinor Ostrom (1933–2012): Pioneer in the Interdisciplinary Science of Coupled Social-Ecological Systems |journal=PLOS Biology |volume=10 |issue=10 |pages=e1001405 |doi=10.1371/journal.pbio.1001405 |issn=1544-9173 |pmc=3473022 |doi-access=free }}</ref> She studied how people in small, local communities manage shared natural resources.<ref>{{Cite web |title=The Nobel Prize: Women Who Changed the World |url=https://www.nobelprize.org/prizes/lists/nobel-prize-awarded-women/ |access-date=31 March 2022 |website=thenobelprize.org}}</ref> She showed that communities using natural resources can establish rules their for use and maintenance. These are resources such as pastures, fishing waters, and forests. This leads to both economic and ecological sustainability.<ref name="Anderies-2012" /> Successful self-governance needs groups with frequent communication among participants. In this case, groups can manage the usage of ] without overexploitation.<ref name="Berg-2020" />{{rp|117}} Based on Ostrom's work, some have argued that: "Common-pool resources today are overcultivated because the different agents do not know each other and cannot directly communicate with one another."<ref name="Berg-2020" />{{rp|117}}

=== Global governance ===
{{See also|Global governance}}
] (SDSN) Chapter Indonesia ]]
Questions of global concern are difficult to tackle. That is because global issues need global solutions. But existing global organizations (UN, ], and others) do not have sufficient means.<ref name="Berg-2020" />{{rp|135}} For example, they lack sanctioning mechanisms to enforce existing global regulations.<ref name="Berg-2020" />{{rp|136}} Some institutions do not enjoy universal acceptance. An example is the ]. Their agendas are not aligned (for example ], ], and WTO) And some accuse them of nepotism and mismanagement.<ref name="Berg-2020" />{{rp|135–145}} 

] international agreements, treaties, and ]s (IGOs) face further challenges. These result in barriers to sustainability. Often these arrangements rely on voluntary commitments. An example is ]s for climate action. There can be a lack of enforcement of existing national or international regulation. And there can be gaps in regulation for international actors such as multi-national enterprises. Critics of some global organizations say they lack legitimacy and democracy. Institutions facing such criticism include the WTO, ], ], ], ], ] and ].<ref name="Berg-2020" />{{rp|135}}

== Responses by nongovernmental stakeholders ==
=== Businesses ===
{{See also|Environmental, social, and corporate governance}}
] (FSC) seal for ] is meant to indicate ] of wood (in a forest in Germany).]]
] practices integrate ecological concerns with social and economic ones.<ref name="Kinsley-1997">Kinsley, M. and Lovins, L.H. (September 1997). {{Webarchive|url=https://web.archive.org/web/20110717081554/http://www.natcapsolutions.org/publications_files/PayingForGrowth_ChronPilot_Sep1997.pdf |date=17 July 2011}} Retrieved 15 June 2009.</ref><ref name="Callenbach-2011"> {{Webarchive|url=https://web.archive.org/web/20160411191530/http://www.thesolutionsjournal.com/node/968 |date=11 April 2016}}. Thesolutionsjournal.com. Retrieved 13 March 2016.</ref> One accounting framework for this approach uses the phrase "people, planet, and profit". The name of this approach is the ]. The ] is a related concept. Its goal is to decouple environmental pressure from economic growth.<ref name="Ghisellini 11–32">{{Cite journal |last1=Ghisellini |first1=Patrizia |last2=Cialani |first2=Catia |last3=Ulgiati |first3=Sergio |date=2016-02-15 |title=A review on circular economy: the expected transition to a balanced interplay of environmental and economic systems |url=https://www.sciencedirect.com/science/article/pii/S0959652615012287 |journal=Journal of Cleaner Production |series=Towards Post Fossil Carbon Societies: Regenerative and Preventative Eco-Industrial Development |language=en |volume=114 |pages=11–32 |doi=10.1016/j.jclepro.2015.09.007 |bibcode=2016JCPro.114...11G |issn=0959-6526}}</ref><ref>{{Cite journal |last1=Nobre |first1=Gustavo Cattelan |last2=Tavares |first2=Elaine |date=2021-09-10 |title=The quest for a circular economy final definition: A scientific perspective |url=https://www.sciencedirect.com/science/article/pii/S0959652621021910 |journal=Journal of Cleaner Production |language=en |volume=314 |pages=127973 |doi=10.1016/j.jclepro.2021.127973 |bibcode=2021JCPro.31427973N |issn=0959-6526}}</ref>

Growing attention towards sustainability has led to the formation of many organizations. These include the Sustainability Consortium of the ],<ref>{{Cite web |last=Zhexembayeva, N. |date=May 2007 |title=Becoming Sustainable: Tools and Resources for Successful Organizational Transformation |url=http://worldbenefit.case.edu/newsletter/?idNewsletter=143&idHeading=46&idNews=589 |archive-url=https://web.archive.org/web/20100613010521/http://worldbenefit.case.edu/newsletter/?idNewsletter=143&idHeading=46&idNews=589 |archive-date=2010-06-13 |website=] |publisher=Case Western University |volume=3 |issue=2 |df=dmy-all}}</ref> the Sustainable Business Institute,<ref>{{Cite web |title=About Us |url=http://www.sustainablebusiness.org/2.html |archive-url=https://web.archive.org/web/20090517000948/http://www.sustainablebusiness.org/2.html |archive-date=17 May 2009 |publisher=Sustainable Business Institute}}</ref> and the ].<ref>{{Cite web |title=About the WBCSD |url=http://www.wbcsd.ch/templates/TemplateWBCSD2/layout.asp?type=p&MenuId=NDEx&doOpen=1&ClickMenu=LeftMenu |archive-url=https://web.archive.org/web/20070909144305/http://www.wbcsd.ch/templates/TemplateWBCSD2/layout.asp?type=p&MenuId=NDEx&doOpen=1&ClickMenu=LeftMenu |archive-date=9 September 2007 |access-date=1 April 2009 |publisher=World Business Council for Sustainable Development (WBCSD)}}</ref> ] looks at the environmental and human impacts of products in the supply chain. It considers how they move from raw materials sourcing to production, storage, and delivery, and every transportation link on the way.<ref>{{Cite web |title=Supply Chain Sustainability {{!}} UN Global Compact |url=https://www.unglobalcompact.org/what-is-gc/our-work/supply-chain |access-date=2022-05-04 |website=www.unglobalcompact.org}}</ref>

=== Religious communities ===
{{Further|Religion and environmentalism}}
Religious leaders have stressed the importance of caring for nature and environmental sustainability. In 2015 over 150 leaders from various faiths issued a joint statement to the ].<ref>{{Cite web |url=http://actalliance.org/wp-content/uploads/2015/10/COP21_Statement_englisch2.pdf |title="Statement of Faith and Spiritual Leaders on the upcoming United Nations Climate Change Conference, COP21 in Paris in December 2015" |access-date=21 March 2022 |archive-date=22 December 2015 |archive-url=https://web.archive.org/web/20151222085536/http://actalliance.org/wp-content/uploads/2015/10/COP21_Statement_englisch2.pdf |url-status=dead }}</ref> They reiterated a statement made in the Interfaith Summit in New York in 2014:<blockquote>As representatives from different faith and religious traditions, we stand together to express deep concern for the consequences of climate change on the earth and its people, all entrusted, as our faiths reveal, to our common care. Climate change is indeed a threat to life, a precious gift we have received and that we need to care for.<ref>{{Cite web |title=The Statement — Interfaith Climate |url=https://www.interfaithclimate.org/the-statement/ |access-date=13 August 2022 |website=www.interfaithclimate.org}}</ref></blockquote>

=== Individuals ===
{{Further|Sustainable living}}

Individuals can also live in a more sustainable way. They can change their lifestyles, practise ], and embrace frugality.<ref name="Berg-2020" />{{rp|236}} These ] approaches can also make cities more sustainable. They do this by altering the built environment.<ref>{{Cite book |last=McDilda |first=Diane Gow |title=The everything green living book: easy ways to conserve energy, protect your family's health, and help save the environment |date=2007 |publisher=Adams Media |isbn=978-1-59869-425-3 |location=Avon, Mass. |oclc=124074971}}</ref> Such approaches include ], ], and ]. Research can identify the main issues to focus on. These include flying, meat and dairy products, car driving, and household sufficiency. Research can show how to create cultures of sufficiency, care, solidarity, and simplicity.<ref name="Wiedmann-2020" />

Some young people are using activism, litigation, and on-the-ground efforts to advance sustainability. This is particularly the case in the area of climate action.<ref name="Aggarwal-2022">{{cite report | last1=Aggarwal | first1=Dhruvak | last2=Esquivel | first2=Nhilce | last3=Hocquet | first3=Robin | last4=Martin | first4=Kristiina | last5=Mungo | first5=Carol | last6=Nazareth | first6=Anisha | last7=Nikam | first7=Jaee | last8=Odenyo | first8=Javan | last9=Ravindran | first9=Bhuvan | last10=Kurinji | first10=L. S. | last11=Shawoo | first11=Zoha | last12=Yamada | first12=Kohei | date=28 April 2022 | url=https://www.stockholm50.report/charting-a-youth-vision-for-a-just-and-sustainable-future.pdf | title=Charting a youth vision for a just and sustainable future | publisher=Stockholm Environment Institute | doi=10.51414/sei2022.010 | doi-access=free}}</ref>{{rp|60}}

== Assessments and reactions ==

=== Impossible to reach ===
Scholars have criticized the concepts of sustainability and sustainable development from different angles. One was ], one of the authors of the first report to the Club of Rome, called "]". He argued many people deceive themselves by using the Brundtland definition of sustainability.<ref name="Wilhelm-2000" /> This is because the needs of the present generation are actually not met today. Instead, economic activities to meet present needs will shrink the options of future generations.<ref>{{Cite web |last=Gambino |first=Megan |date=15 March 2012 |title=Is it Too Late for Sustainable Development? |url=https://www.smithsonianmag.com/science-nature/is-it-too-late-for-sustainable-development-125411410/ |access-date=2022-01-12 |website=] |language=en}}</ref><ref name="Berg-2020" />{{rp|27}} Another criticism is that the paradigm of sustainability is no longer suitable as a guide for transformation. This is because societies are "socially and ecologically self-destructive consumer societies".<ref name="Blühdorn 2017 42–61">{{Cite journal |last=Blühdorn |date=2017 |title=Post-capitalism, post-growth, post-consumerism? Eco-political hopes beyond sustainability |journal=Global Discourse |language=en |volume=7 |issue=1 |pages=42–61 |doi=10.1080/23269995.2017.1300415 |issn=2043-7897|doi-access=free }}</ref>

Some scholars have even proclaimed the end of the concept of sustainability. This is because humans now have a significant impact on Earth's climate system and ecosystems.<ref name="Melinda Harm" /> It might become impossible to pursue sustainability because of these complex, radical, and dynamic issues.<ref name="Melinda Harm" /> Others have called sustainability a ]n ideal: "We need to keep sustainability as an ideal; an ideal which we might never reach, which might be utopian, but still a necessary one."<ref name="Berg-2020" />{{rp|5}}

=== Vagueness ===
The term is often hijacked and thus can lose its meaning. People use it for all sorts of things, such as ''saving the planet'' to ''recycling your rubbish''.<ref name="Halliday-2016" /> A specific definition may never be possible. This is because sustainability is a concept that provides a normative structure. That describes what human society regards as good or desirable.<ref name="Ramsey-2015" />

But some argue that while sustainability is vague and contested it is not meaningless.<ref name="Ramsey-2015" /> Although lacking in a singular definition, this concept is still useful. Scholars have argued that its fuzziness can actually be liberating. This is because it means that "the basic goal of sustainability (maintaining or improving desirable conditions ) can be pursued with more flexibility".<ref name="Harrington-2016" />

=== Confusion and greenwashing ===
Sustainability has a reputation as a ].<ref name="Purvis" /> People may use the terms ''sustainability'' and ''sustainable development'' in ways that are different to how they are usually understood. This can result in confusion and mistrust. So a clear explanation of how the terms are being used in a particular situation is important.<ref name="Harrington-2016" />

] is a practice of deceptive marketing. It is when a company or organization provides misleading information about the sustainability of a product, policy, or other activity.<ref name="Aggarwal-2022" />{{rp|26}}<ref>{{Cite news |first=Bruce |last=Watson |date=2016-08-20 |title=The troubling evolution of corporate greenwashing |url=https://www.theguardian.com/sustainable-business/2016/aug/20/greenwashing-environmentalism-lies-companies |work=] |archive-url=https://web.archive.org/web/20161018015320/https://www.theguardian.com/sustainable-business/2016/aug/20/greenwashing-environmentalism-lies-companies |archive-date=18 October 2016}}</ref> Investors are wary of this issue as it exposes them to risk.<ref>{{Cite web |date=2018-08-18 |title=The Troubling Evolution Of Large Scale Corporate Greenwashing |url=https://www.bnnbloomberg.ca/investors-are-increasingly-calling-out-corporate-greenwashing-1.1125826 |website=www.bloomberg.ca |publisher=BNN Bloomberg}}</ref> The reliability of eco-labels is also doubtful in some cases.<ref>{{Cite news |date=2011-08-18 |title=The Troubling Evolution Of Large Scale Corporate Greenwashing |url=https://theconversation.com/greenwashing-can-you-trust-that-label-2116 |work=]}}</ref> ]ling is a voluntary method of environmental performance certification and labelling for food and consumer products. The most credible eco-labels are those developed with close participation from all relevant stakeholders.<ref>{{cite journal | last1=Ebrahimi Sirizi | first1=Mohammad | last2=Taghavi Zirvani | first2=Esmaeil | last3=Esmailzadeh | first3=Abdulsalam | last4=Khosravian | first4=Jafar | last5=Ahmadi | first5=Reyhaneh | last6=Mijani | first6=Naeim | last7=Soltannia | first7=Reyhaneh | last8=Jokar Arsanjani | first8=Jamal | date=19 October 2023 | title=A scenario-based multi-criteria decision-making approach for allocation of pistachio processing facilities: A case study of Zarand, Iran | journal=Sustainability | volume=15 | issue=20 | issn=2071-1050 | page=15054 | doi=10.3390/su152015054 | doi-access=free}}</ref>

== See also ==
* ]
* ]

== References ==
{{Reflist}}

{{Library resources box |others=yes |lcheading=Sustainability}}
{{Sister project links|Sustainability}}

{{Sustainability|state=not collapsed}}
{{Environmentalism}}
{{Simple living}}
{{Population}}
{{portal bar|Earth sciences|Ecology|Environment|Plants|Renewable energy|Trees|Water}}
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Latest revision as of 20:32, 5 December 2024

Societal goal and normative concept "Unsustainable" redirects here. Not to be confused with Unsustainable (song).
Three visual representations of sustainability and its three dimensions: the left image shows sustainability as three intersecting circles. In the top right, it is a nested approach. In the bottom right it is three pillars. The schematic with the nested ellipses emphasizes a hierarchy of the dimensions, putting environment as the foundation for the other two.

Sustainability is a social goal for people to co-exist on Earth over a long period of time. Definitions of this term are disputed and have varied with literature, context, and time. Sustainability usually has three dimensions (or pillars): environmental, economic, and social. Many definitions emphasize the environmental dimension. This can include addressing key environmental problems, including climate change and biodiversity loss. The idea of sustainability can guide decisions at the global, national, organizational, and individual levels. A related concept is that of sustainable development, and the terms are often used to mean the same thing. UNESCO distinguishes the two like this: "Sustainability is often thought of as a long-term goal (i.e. a more sustainable world), while sustainable development refers to the many processes and pathways to achieve it."

Details around the economic dimension of sustainability are controversial. Scholars have discussed this under the concept of weak and strong sustainability. For example, there will always be tension between the ideas of "welfare and prosperity for all" and environmental conservation, so trade-offs are necessary. It would be desirable to find ways that separate economic growth from harming the environment. This means using fewer resources per unit of output even while growing the economy. This decoupling reduces the environmental impact of economic growth, such as pollution. Doing this is difficult. Some experts say there is no evidence that such a decoupling is happening at the required scale.

It is challenging to measure sustainability as the concept is complex, contextual, and dynamic. Indicators have been developed to cover the environment, society, or the economy but there is no fixed definition of sustainability indicators. The metrics are evolving and include indicators, benchmarks and audits. They include sustainability standards and certification systems like Fairtrade and Organic. They also involve indices and accounting systems such as corporate sustainability reporting and Triple Bottom Line accounting.

It is necessary to address many barriers to sustainability to achieve a sustainability transition or sustainability transformation. Some barriers arise from nature and its complexity while others are extrinsic to the concept of sustainability. For example, they can result from the dominant institutional frameworks in countries.

Global issues of sustainability are difficult to tackle as they need global solutions. Existing global organizations such as the UN and WTO are seen as inefficient in enforcing current global regulations. One reason for this is the lack of suitable sanctioning mechanisms. Governments are not the only sources of action for sustainability. For example, business groups have tried to integrate ecological concerns with economic activity, seeking sustainable business. Religious leaders have stressed the need for caring for nature and environmental stability. Individuals can also live more sustainably.

Some people have criticized the idea of sustainability. One point of criticism is that the concept is vague and only a buzzword. Another is that sustainability might be an impossible goal. Some experts have pointed out that "no country is delivering what its citizens need without transgressing the biophysical planetary boundaries".

Definitions

Current usage

Sustainability is regarded as a "normative concept". This means it is based on what people value or find desirable: "The quest for sustainability involves connecting what is known through scientific study to applications in pursuit of what people want for the future."

The 1983 UN Commission on Environment and Development (Brundtland Commission) had a big influence on the use of the term sustainability today. The commission's 1987 Brundtland Report provided a definition of sustainable development. The report, Our Common Future, defines it as development that "meets the needs of the present without compromising the ability of future generations to meet their own needs". The report helped bring sustainability into the mainstream of policy discussions. It also popularized the concept of sustainable development.

Some other key concepts to illustrate the meaning of sustainability include:

  • It may be a fuzzy concept but in a positive sense: the goals are more important than the approaches or means applied;
  • It connects with other essential concepts such as resilience, adaptive capacity, and vulnerability.
  • Choices matter: "it is not possible to sustain everything, everywhere, forever";
  • Scale matters in both space and time, and place matters;
  • Limits exist (see planetary boundaries).

In everyday usage, sustainability often focuses on the environmental dimension.

Specific definitions

Scholars say that a single specific definition of sustainability may never be possible. But the concept is still useful. There have been attempts to define it, for example:

  • "Sustainability can be defined as the capacity to maintain or improve the state and availability of desirable materials or conditions over the long term."
  • "Sustainability the long-term viability of a community, set of social institutions, or societal practice. In general, sustainability is understood as a form of intergenerational ethics in which the environmental and economic actions taken by present persons do not diminish the opportunities of future persons to enjoy similar levels of wealth, utility, or welfare."
  • "Sustainability means meeting our own needs without compromising the ability of future generations to meet their own needs. In addition to natural resources, we also need social and economic resources. Sustainability is not just environmentalism. Embedded in most definitions of sustainability we also find concerns for social equity and economic development."

Some definitions focus on the environmental dimension. The Oxford Dictionary of English defines sustainability as: "the property of being environmentally sustainable; the degree to which a process or enterprise is able to be maintained or continued while avoiding the long-term depletion of natural resources".

Historical usage

Further information: Sustainable development § Development of the concept

The term sustainability is derived from the Latin word sustinere. "To sustain" can mean to maintain, support, uphold, or endure. So sustainability is the ability to continue over a long period of time.

In the past, sustainability referred to environmental sustainability. It meant using natural resources so that people in the future could continue to rely on them in the long term. The concept of sustainability, or Nachhaltigkeit in German, goes back to Hans Carl von Carlowitz (1645–1714), and applied to forestry. The term for this now would be sustainable forest management. He used this term to mean the long-term responsible use of a natural resource. In his 1713 work Silvicultura oeconomica, he wrote that "the highest art/science/industriousness will consist in such a conservation and replanting of timber that there can be a continuous, ongoing and sustainable use". The shift in use of "sustainability" from preservation of forests (for future wood production) to broader preservation of environmental resources (to sustain the world for future generations) traces to a 1972 book by Ernst Basler, based on a series of lectures at M.I.T.

The idea itself goes back a very long time: Communities have always worried about the capacity of their environment to sustain them in the long term. Many ancient cultures, traditional societies, and indigenous peoples have restricted the use of natural resources.

Comparison to sustainable development

Further information: Sustainable development

The terms sustainability and sustainable development are closely related. In fact, they are often used to mean the same thing. Both terms are linked with the "three dimensions of sustainability" concept. One distinction is that sustainability is a general concept, while sustainable development can be a policy or organizing principle. Scholars say sustainability is a broader concept because sustainable development focuses mainly on human well-being.

Sustainable development has two linked goals. It aims to meet human development goals. It also aims to enable natural systems to provide the natural resources and ecosystem services needed for economies and society. The concept of sustainable development has come to focus on economic development, social development and environmental protection for future generations.

Dimensions

Development of three dimensions

Sustainability Venn diagram, where sustainability is thought of as the area where the three dimensions overlap

Scholars usually distinguish three different areas of sustainability. These are the environmental, the social, and the economic. Several terms are in use for this concept. Authors may speak of three pillars, dimensions, components, aspects, perspectives, factors, or goals. All mean the same thing in this context. The three dimensions paradigm has few theoretical foundations.

The popular three intersecting circles, or Venn diagram, representing sustainability first appeared in a 1987 article by the economist Edward Barbier.

Scholars rarely question the distinction itself. The idea of sustainability with three dimensions is a dominant interpretation in the literature.

In the Brundtland Report, the environment and development are inseparable and go together in the search for sustainability. It described sustainable development as a global concept linking environmental and social issues. It added sustainable development is important for both developing countries and industrialized countries:

The 'environment' is where we all live; and 'development' is what we all do in attempting to improve our lot within that abode. The two are inseparable. We came to see that a new development path was required, one that sustained human progress not just in a few pieces for a few years, but for the entire planet into the distant future. Thus 'sustainable development' becomes a goal not just for the 'developing' nations, but for industrial ones as well.

— Our Common Future (also known as the Brundtland Report),

The Rio Declaration from 1992 is seen as "the foundational instrument in the move towards sustainability". It includes specific references to ecosystem integrity. The plan associated with carrying out the Rio Declaration also discusses sustainability in this way. The plan, Agenda 21, talks about economic, social, and environmental dimensions:

Countries could develop systems for monitoring and evaluation of progress towards achieving sustainable development by adopting indicators that measure changes across economic, social and environmental dimensions.

— United Nations Conference on Environment & Development – Earth Summit (1992),

Agenda 2030 from 2015 also viewed sustainability in this way. It sees the 17 Sustainable Development Goals (SDGs) with their 169 targets as balancing "the three dimensions of sustainable development, the economic, social and environmental".

Hierarchy

The diagram with three nested ellipses indicates a hierarchy between the three dimensions of sustainability: both economy and society are constrained by environmental limits
The wedding cake model for the sustainable development goals is similar to the nested ellipses diagram, where the environmental dimension or system is the basis for the other two dimensions.

Scholars have discussed how to rank the three dimensions of sustainability. Many publications state that the environmental dimension is the most important. (Planetary integrity or ecological integrity are other terms for the environmental dimension.)

Protecting ecological integrity is the core of sustainability according to many experts. If this is the case then its environmental dimension sets limits to economic and social development.

The diagram with three nested ellipses is one way of showing the three dimensions of sustainability together with a hierarchy: It gives the environmental dimension a special status. In this diagram, the environment includes society, and society includes economic conditions. Thus it stresses a hierarchy.

Another model shows the three dimensions in a similar way: In this SDG wedding cake model, the economy is a smaller subset of the societal system. And the societal system in turn is a smaller subset of the biosphere system.

In 2022 an assessment examined the political impacts of the Sustainable Development Goals. The assessment found that the "integrity of the earth's life-support systems" was essential for sustainability. The authors said that "the SDGs fail to recognize that planetary, people and prosperity concerns are all part of one earth system, and that the protection of planetary integrity should not be a means to an end, but an end in itself". The aspect of environmental protection is not an explicit priority for the SDGs. This causes problems as it could encourage countries to give the environment less weight in their developmental plans. The authors state that "sustainability on a planetary scale is only achievable under an overarching Planetary Integrity Goal that recognizes the biophysical limits of the planet".

Other frameworks bypass the compartmentalization of sustainability into separate dimensions completely.

Environmental sustainability

Further information: Human impact on the environment

The environmental dimension is central to the overall concept of sustainability. People became more and more aware of environmental pollution in the 1960s and 1970s. This led to discussions on sustainability and sustainable development. This process began in the 1970s with concern for environmental issues. These included natural ecosystems or natural resources and the human environment. It later extended to all systems that support life on Earth, including human society. Reducing these negative impacts on the environment would improve environmental sustainability.

Environmental pollution is not a new phenomenon. But it has been only a local or regional concern for most of human history. Awareness of global environmental issues increased in the 20th century. The harmful effects and global spread of pesticides like DDT came under scrutiny in the 1960s. In the 1970s it emerged that chlorofluorocarbons (CFCs) were depleting the ozone layer. This led to the de facto ban of CFCs with the Montreal Protocol in 1987.

In the early 20th century, Arrhenius discussed the effect of greenhouse gases on the climate (see also: history of climate change science). Climate change due to human activity became an academic and political topic several decades later. This led to the establishment of the IPCC in 1988 and the UNFCCC in 1992.

In 1972, the UN Conference on the Human Environment took place. It was the first UN conference on environmental issues. It stated it was important to protect and improve the human environment.It emphasized the need to protect wildlife and natural habitats:

The natural resources of the earth, including the air, water, land, flora and fauna and natural ecosystems must be safeguarded for the benefit of present and future generations through careful planning or management, as appropriate.

— UN Conference on the Human Environment,

In 2000, the UN launched eight Millennium Development Goals. The aim was for the global community to achieve them by 2015. Goal 7 was to "ensure environmental sustainability". But this goal did not mention the concepts of social or economic sustainability.

Specific problems often dominate public discussion of the environmental dimension of sustainability: In the 21st century these problems have included climate change, biodiversity and pollution. Other global problems are loss of ecosystem services, land degradation, environmental impacts of animal agriculture and air and water pollution, including marine plastic pollution and ocean acidification. Many people worry about human impacts on the environment. These include impacts on the atmosphere, land, and water resources.

Human activities now have an impact on Earth's geology and ecosystems. This led Paul Crutzen to call the current geological epoch the Anthropocene.

Economic sustainability

A circular economy can improve aspects of economic sustainability (left: the 'take, make, waste' linear approach; right: the circular economy approach).

The economic dimension of sustainability is controversial. This is because the term development within sustainable development can be interpreted in different ways. Some may take it to mean only economic development and growth. This can promote an economic system that is bad for the environment. Others focus more on the trade-offs between environmental conservation and achieving welfare goals for basic needs (food, water, health, and shelter).

Economic development can indeed reduce hunger or energy poverty. This is especially the case in the least developed countries. That is why Sustainable Development Goal 8 calls for economic growth to drive social progress and well-being. Its first target is for: "at least 7 per cent GDP growth per annum in the least developed countries". However, the challenge is to expand economic activities while reducing their environmental impact. In other words, humanity will have to find ways how societal progress (potentially by economic development) can be reached without excess strain on the environment.

The Brundtland report says poverty causes environmental problems. Poverty also results from them. So addressing environmental problems requires understanding the factors behind world poverty and inequality. The report demands a new development path for sustained human progress. It highlights that this is a goal for both developing and industrialized nations.

UNEP and UNDP launched the Poverty-Environment Initiative in 2005 which has three goals. These are reducing extreme poverty, greenhouse gas emissions, and net natural asset loss. This guide to structural reform will enable countries to achieve the SDGs. It should also show how to address the trade-offs between ecological footprint and economic development.

Social sustainability

Social justice is just one part of social sustainability.

The social dimension of sustainability is not well defined. One definition states that a society is sustainable in social terms if people do not face structural obstacles in key areas. These key areas are health, influence, competence, impartiality and meaning-making.

Some scholars place social issues at the very center of discussions. They suggest that all the domains of sustainability are social. These include ecological, economic, political, and cultural sustainability. These domains all depend on the relationship between the social and the natural. The ecological domain is defined as human embeddedness in the environment. From this perspective, social sustainability encompasses all human activities. It goes beyond the intersection of economics, the environment, and the social.

There are many broad strategies for more sustainable social systems. They include improved education and the political empowerment of women. This is especially the case in developing countries. They include greater regard for social justice. This involves equity between rich and poor both within and between countries. And it includes intergenerational equity. Providing more social safety nets to vulnerable populations would contribute to social sustainability.

A society with a high degree of social sustainability would lead to livable communities with a good quality of life (being fair, diverse, connected and democratic).

Indigenous communities might have a focus on particular aspects of sustainability, for example spiritual aspects, community-based governance and an emphasis on place and locality.

Proposed additional dimensions

Some experts have proposed further dimensions. These could cover institutional, cultural, political, and technical dimensions.

Cultural sustainability

Further information: Cultural sustainability

Some scholars have argued for a fourth dimension. They say the traditional three dimensions do not reflect the complexity of contemporary society. For example, Agenda 21 for culture and the United Cities and Local Governments argue that sustainable development should include a solid cultural policy. They also advocate for a cultural dimension in all public policies. Another example was the Circles of Sustainability approach, which included cultural sustainability.

Interactions between dimensions

Environmental and economic dimensions

Further information: Weak and strong sustainability See also: Sustainable city

People often debate the relationship between the environmental and economic dimensions of sustainability. In academia, this is discussed under the term weak and strong sustainability. In that model, the weak sustainability concept states that capital made by humans could replace most of the natural capital. Natural capital is a way of describing environmental resources. People may refer to it as nature. An example for this is the use of environmental technologies to reduce pollution.

The opposite concept in that model is strong sustainability. This assumes that nature provides functions that technology cannot replace. Thus, strong sustainability acknowledges the need to preserve ecological integrity. The loss of those functions makes it impossible to recover or repair many resources and ecosystem services. Biodiversity, along with pollination and fertile soils, are examples. Others are clean air, clean water, and regulation of climate systems.

Weak sustainability has come under criticism. It may be popular with governments and business but does not ensure the preservation of the earth's ecological integrity. This is why the environmental dimension is so important.

The World Economic Forum illustrated this in 2020. It found that $44 trillion of economic value generation depends on nature. This value, more than half of the world's GDP, is thus vulnerable to nature loss. Three large economic sectors are highly dependent on nature: construction, agriculture, and food and beverages. Nature loss results from many factors. They include land use change, sea use change and climate change. Other examples are natural resource use, pollution, and invasive alien species.

Trade-offs

Trade-offs between different dimensions of sustainability are a common topic for debate. Balancing the environmental, social, and economic dimensions of sustainability is difficult. This is because there is often disagreement about the relative importance of each. To resolve this, there is a need to integrate, balance, and reconcile the dimensions. For example, humans can choose to make ecological integrity a priority or to compromise it.

Some even argue the Sustainable Development Goals are unrealistic. Their aim of universal human well-being conflicts with the physical limits of Earth and its ecosystems.

Measurement tools

Further information: Sustainability metrics and indices
Urban sustainability analysis of the greater urban area of the city of São Paulo using the 'Circles of Sustainability' method of the UN and Metropolis Association
This section is an excerpt from Sustainability measurement. Sustainability measurement is a set of frameworks or indicators used to measure how sustainable something is. This includes processes, products, services and businesses. Sustainability is to quantify. It may even be impossible to measure as there is no fixed definition. To measure sustainability, frameworks and indicators consider environmental, social and economic domains. The metrics vary by use case and are still evolving. They include indicators, benchmarks and audits. They include sustainability standards and certification systems like Fairtrade and Organic. They also involve indices and accounting. They can include assessment, appraisal and other reporting systems. The metrics are used over a wide range of spatial and temporal scales. For organizations, sustainability measures include corporate sustainability reporting and Triple Bottom Line accounting. For countries, they include estimates of the quality of sustainability governance or quality of life measures, or environmental assessments like the Environmental Sustainability Index and Environmental Performance Index. Some methods let us track sustainable development. These include the UN Human Development Index and ecological footprints.

Environmental impacts of humans

Further information: Planetary boundaries and Ecological footprint

There are several methods to measure or describe human impacts on Earth. They include the ecological footprint, ecological debt, carrying capacity, and sustainable yield. The idea of planetary boundaries is that there are limits to the carrying capacity of the Earth. It is important not to cross these thresholds to prevent irreversible harm to the Earth. These planetary boundaries involve several environmental issues. These include climate change and biodiversity loss. They also include types of pollution. These are biogeochemical (nitrogen and phosphorus), ocean acidification, land use, freshwater, ozone depletion, atmospheric aerosols, and chemical pollution. (Since 2015 some experts refer to biodiversity loss as change in biosphere integrity. They refer to chemical pollution as introduction of novel entities.)

The IPAT formula measures the environmental impact of humans. It emerged in the 1970s. It states this impact is proportional to human population, affluence and technology. This implies various ways to increase environmental sustainability. One would be human population control. Another would be to reduce consumption and affluence such as energy consumption. Another would be to develop innovative or green technologies such as renewable energy. In other words, there are two broad aims. The first would be to have fewer consumers. The second would be to have less environmental footprint per consumer.

The Millennium Ecosystem Assessment from 2005 measured 24 ecosystem services. It concluded that only four have improved over the last 50 years. It found 15 are in serious decline and five are in a precarious condition.

Economic costs

The doughnut model, with indicators to what extent the ecological ceilings are overshot and social foundations are not met yet

Experts in environmental economics have calculated the cost of using public natural resources. One project calculated the damage to ecosystems and biodiversity loss. This was the Economics of Ecosystems and Biodiversity project from 2007 to 2011.

An entity that creates environmental and social costs often does not pay for them. The market price also does not reflect those costs. In the end, government policy is usually required to resolve this problem.

Decision-making can take future costs and benefits into account. The tool for this is the social discount rate. The bigger the concern for future generations, the lower the social discount rate should be. Another approach is to put an economic value on ecosystem services. This allows us to assess environmental damage against perceived short-term welfare benefits. One calculation is that, "for every dollar spent on ecosystem restoration, between three and 75 dollars of economic benefits from ecosystem goods and services can be expected".

In recent years, economist Kate Raworth has developed the concept of doughnut economics. This aims to integrate social and environmental sustainability into economic thinking. The social dimension acts as a minimum standard to which a society should aspire. The carrying capacity of the planet acts an outer limit.

Barriers

There are many reasons why sustainability is so difficult to achieve. These reasons have the name sustainability barriers. Before addressing these barriers it is important to analyze and understand them. Some barriers arise from nature and its complexity ("everything is related"). Others arise from the human condition. One example is the value-action gap. This reflects the fact that people often do not act according to their convictions. Experts describe these barriers as intrinsic to the concept of sustainability.

Other barriers are extrinsic to the concept of sustainability. This means it is possible to overcome them. One way would be to put a price tag on the consumption of public goods. Some extrinsic barriers relate to the nature of dominant institutional frameworks. Examples would be where market mechanisms fail for public goods. Existing societies, economies, and cultures encourage increased consumption. There is a structural imperative for growth in competitive market economies. This inhibits necessary societal change.

Furthermore, there are several barriers related to the difficulties of implementing sustainability policies. There are trade-offs between the goals of environmental policies and economic development. Environmental goals include nature conservation. Development may focus on poverty reduction. There are also trade-offs between short-term profit and long-term viability. Political pressures generally favor the short term over the long term. So they form a barrier to actions oriented toward improving sustainability.

Barriers to sustainability may also reflect current trends. These could include consumerism and short-termism.

Transition

Democratic and sustainability transformations: mapping the pathways. Environmental democracy involves achieving sustainability through reform of existing liberal democratic institutions, while ecological democracy seeks to do so through a radical departure from existing democratic institutions.

Characteristics

While no consensus definition exists, sustainability transformation (or transition) can be understood as “a fundamental, system-wide reorganization across technological, economic and social factors, including paradigms, goals and values”. Sustainability transformation is a process which is complex, multi-dimensional and politically contested. It needs to occur at scales ranging from households and communities to states and regional and global governance institutions. However, societal transformations are politically contested because different stakeholders may disagree over both the ends that transformation should achieve and the means of achieving those ends. Another reason is that transformations may involve or require disrupting existing configurations of power and resources.

There are long-standing debates in research and policy about whether democratic practices are capable of fostering timely, large-scale transformations towards sustainability. While a few scholars argue that large-scale transformation to sustainability will require the rollback of democratic safeguards or the imposition of technocratic or authoritarian rule, a majority of researchers on the democracy-environment nexus argue that democratization and sustainability transformation are mutually supportive.

A sustainability transition requires major change in societies. They must change their fundamental values and organizing principles. These new values would emphasize "the quality of life and material sufficiency, human solidarity and global equity, and affinity with nature and environmental sustainability". A transition may only work if far-reaching lifestyle changes accompany technological advances.

Scientists have pointed out that: "Sustainability transitions come about in diverse ways, and all require civil-society pressure and evidence-based advocacy, political leadership, and a solid understanding of policy instruments, markets, and other drivers."

There are four possible overlapping processes of transformation. They each have different political dynamics. Technology, markets, government, or citizens can lead these processes.

The European Environment Agency defines a sustainability transition as "a fundamental and wide-ranging transformation of a socio-technical system towards a more sustainable configuration that helps alleviate persistent problems such as climate change, pollution, biodiversity loss or resource scarcities." The concept of sustainability transitions is similar to the concept of energy transitions.

One expert argues a sustainability transition must be "supported by a new kind of culture, a new kind of collaboration, a new kind of leadership". It requires a large investment in "new and greener capital goods, while simultaneously shifting capital away from unsustainable systems".

In 2024 an interdisciplinary group of experts including Chip Fletcher, William J. Ripple, Phoebe Barnard, Kamanamaikalani Beamer, Christopher Field, David Karl, David King, Michael E. Mann and Naomi Oreskes advocated for a paradigm shift toward genuine sustainability and resource regeneration. They said that "such a transformation is imperative to reverse the tide of biodiversity loss due to overconsumption and to reinstate the security of food and water supplies, which are foundational for the survival of global populations."

Principles

It is possible to divide action principles to make societies more sustainable into four types. These are nature-related, personal, society-related and systems-related principles.

  • Nature-related principles: decarbonize; reduce human environmental impact by efficiency, sufficiency and consistency; be net-positive – build up environmental and societal capital; prefer local, seasonal, plant-based and labor-intensive; polluter-pays principle; precautionary principle; and appreciate and celebrate the beauty of nature.
  • Personal principles: practise contemplation, apply policies with caution, celebrate frugality.
  • Society-related principles: grant the least privileged the greatest support; seek mutual understanding, trust and many wins; strengthen social cohesion and collaboration; engage stakeholders; foster education – share knowledge and collaborate.
  • Systems-related principles: apply systems thinking; foster diversity; make what is relevant to the public more transparent; maintain or increase option diversity.

Example steps

There are many approaches that people can take to transition to environmental sustainability. These include maintaining ecosystem services, protecting and co-creating common resources, reducing food waste, and promoting dietary shifts towards plant-based foods. Another is reducing population growth by cutting fertility rates. Others are promoting new green technologies, and adopting renewable energy sources while phasing out subsidies to fossil fuels.

In 2017 scientists published an update to the 1992 World Scientists' Warning to Humanity. It showed how to move towards environmental sustainability. It proposed steps in three areas:

  • Reduced consumption: reducing food waste, promoting dietary shifts towards mostly plant-based foods.
  • Reducing the number of consumers: further reducing fertility rates and thus population growth.
  • Technology and nature conservation: there are several related approaches. One is to maintain nature's ecosystem services. Another is promote new green technologies. Another is changing energy use. One aspect of this is to adopt renewable energy sources. At the same time it is necessary to end subsidies to energy production through fossil fuels.

Agenda 2030 for the Sustainable Development Goals

United Nations Sustainable Development Goals

In 2015, the United Nations agreed the Sustainable Development Goals (SDGs). Their official name is Agenda 2030 for the Sustainable Development Goals. The UN described this programme as a very ambitious and transformational vision. It said the SDGs were of unprecedented scope and significance.

The UN said: "We are determined to take the bold and transformative steps which are urgently needed to shift the world on to a sustainable and resilient path."

The 17 goals and targets lay out transformative steps. For example, the SDGs aim to protect the future of planet Earth. The UN pledged to "protect the planet from degradation, including through sustainable consumption and production, sustainably managing its natural resources and taking urgent action on climate change, so that it can support the needs of the present and future generations".

Options for overcoming barriers

Further information: Sustainable development § Pathways

Issues around economic growth

Further information: Eco-economic decoupling, Degrowth, and Steady-state economy

Eco-economic decoupling is an idea to resolve tradeoffs between economic growth and environmental conservation. The idea is to "decouple environmental bads from economic goods as a path towards sustainability". This would mean "using less resources per unit of economic output and reducing the environmental impact of any resources that are used or economic activities that are undertaken". The intensity of pollutants emitted makes it possible to measure pressure on the environment. This in turn makes it possible to measure decoupling. This involves following changes in the emission intensity associated with economic output. Examples of absolute long-term decoupling are rare. But some industrialized countries have decoupled GDP growth from production- and consumption-based CO2 emissions. Yet, even in this example, decoupling alone is not enough. It is necessary to accompany it with "sufficiency-oriented strategies and strict enforcement of absolute reduction targets".

One study in 2020 found no evidence of necessary decoupling. This was a meta-analysis of 180 scientific studies. It found that there is "no evidence of the kind of decoupling needed for ecological sustainability" and that "in the absence of robust evidence, the goal of decoupling rests partly on faith". Some experts have questioned the possibilities for decoupling and thus the feasibility of green growth. Some have argued that decoupling on its own will not be enough to reduce environmental pressures. They say it would need to include the issue of economic growth. There are several reasons why adequate decoupling is currently not taking place. These are rising energy expenditure, rebound effects, problem shifting, the underestimated impact of services, the limited potential of recycling, insufficient and inappropriate technological change, and cost-shifting.

The decoupling of economic growth from environmental deterioration is difficult. This is because the entity that causes environmental and social costs does not generally pay for them. So the market price does not express such costs. For example, the cost of packaging into the price of a product. may factor in the cost of packaging. But it may omit the cost of disposing of that packaging. Economics describes such factors as externalities, in this case a negative externality. Usually, it is up to government action or local governance to deal with externalities.

There are various ways to incorporate environmental and social costs and benefits into economic activities. Examples include: taxing the activity (the polluter pays); subsidizing activities with positive effects (rewarding stewardship); and outlawing particular levels of damaging practices (legal limits on pollution).

Government action and local governance

A textbook on natural resources and environmental economics stated in 2011: "Nobody who has seriously studied the issues believes that the economy's relationship to the natural environment can be left entirely to market forces." This means natural resources will be over-exploited and destroyed in the long run without government action.

Elinor Ostrom (winner of the 2009Nobel economics prize) expanded on this. She stated that local governance (or self-governance) can be a third option besides the market or the national government. She studied how people in small, local communities manage shared natural resources. She showed that communities using natural resources can establish rules their for use and maintenance. These are resources such as pastures, fishing waters, and forests. This leads to both economic and ecological sustainability. Successful self-governance needs groups with frequent communication among participants. In this case, groups can manage the usage of common goods without overexploitation. Based on Ostrom's work, some have argued that: "Common-pool resources today are overcultivated because the different agents do not know each other and cannot directly communicate with one another."

Global governance

See also: Global governance
Launch of the UN Sustainable Development Solutions Network (SDSN) Chapter Indonesia

Questions of global concern are difficult to tackle. That is because global issues need global solutions. But existing global organizations (UN, WTO, and others) do not have sufficient means. For example, they lack sanctioning mechanisms to enforce existing global regulations. Some institutions do not enjoy universal acceptance. An example is the International Criminal Court. Their agendas are not aligned (for example UNEP, UNDP, and WTO) And some accuse them of nepotism and mismanagement. 

Multilateral international agreements, treaties, and intergovernmental organizations (IGOs) face further challenges. These result in barriers to sustainability. Often these arrangements rely on voluntary commitments. An example is Nationally Determined Contributions for climate action. There can be a lack of enforcement of existing national or international regulation. And there can be gaps in regulation for international actors such as multi-national enterprises. Critics of some global organizations say they lack legitimacy and democracy. Institutions facing such criticism include the WTO, IMF, World Bank, UNFCCC, G7, G8 and OECD.

Responses by nongovernmental stakeholders

Businesses

See also: Environmental, social, and corporate governance
The Forest Stewardship Council (FSC) seal for wood products is meant to indicate sustainable production of wood (in a forest in Germany).

Sustainable business practices integrate ecological concerns with social and economic ones. One accounting framework for this approach uses the phrase "people, planet, and profit". The name of this approach is the triple bottom line. The circular economy is a related concept. Its goal is to decouple environmental pressure from economic growth.

Growing attention towards sustainability has led to the formation of many organizations. These include the Sustainability Consortium of the Society for Organizational Learning, the Sustainable Business Institute, and the World Business Council for Sustainable Development. Supply chain sustainability looks at the environmental and human impacts of products in the supply chain. It considers how they move from raw materials sourcing to production, storage, and delivery, and every transportation link on the way.

Religious communities

Further information: Religion and environmentalism

Religious leaders have stressed the importance of caring for nature and environmental sustainability. In 2015 over 150 leaders from various faiths issued a joint statement to the UN Climate Summit in Paris 2015. They reiterated a statement made in the Interfaith Summit in New York in 2014:

As representatives from different faith and religious traditions, we stand together to express deep concern for the consequences of climate change on the earth and its people, all entrusted, as our faiths reveal, to our common care. Climate change is indeed a threat to life, a precious gift we have received and that we need to care for.

Individuals

Further information: Sustainable living

Individuals can also live in a more sustainable way. They can change their lifestyles, practise ethical consumerism, and embrace frugality. These sustainable living approaches can also make cities more sustainable. They do this by altering the built environment. Such approaches include sustainable transport, sustainable architecture, and zero emission housing. Research can identify the main issues to focus on. These include flying, meat and dairy products, car driving, and household sufficiency. Research can show how to create cultures of sufficiency, care, solidarity, and simplicity.

Some young people are using activism, litigation, and on-the-ground efforts to advance sustainability. This is particularly the case in the area of climate action.

Assessments and reactions

Impossible to reach

Scholars have criticized the concepts of sustainability and sustainable development from different angles. One was Dennis Meadows, one of the authors of the first report to the Club of Rome, called "The Limits to Growth". He argued many people deceive themselves by using the Brundtland definition of sustainability. This is because the needs of the present generation are actually not met today. Instead, economic activities to meet present needs will shrink the options of future generations. Another criticism is that the paradigm of sustainability is no longer suitable as a guide for transformation. This is because societies are "socially and ecologically self-destructive consumer societies".

Some scholars have even proclaimed the end of the concept of sustainability. This is because humans now have a significant impact on Earth's climate system and ecosystems. It might become impossible to pursue sustainability because of these complex, radical, and dynamic issues. Others have called sustainability a utopian ideal: "We need to keep sustainability as an ideal; an ideal which we might never reach, which might be utopian, but still a necessary one."

Vagueness

The term is often hijacked and thus can lose its meaning. People use it for all sorts of things, such as saving the planet to recycling your rubbish. A specific definition may never be possible. This is because sustainability is a concept that provides a normative structure. That describes what human society regards as good or desirable.

But some argue that while sustainability is vague and contested it is not meaningless. Although lacking in a singular definition, this concept is still useful. Scholars have argued that its fuzziness can actually be liberating. This is because it means that "the basic goal of sustainability (maintaining or improving desirable conditions ) can be pursued with more flexibility".

Confusion and greenwashing

Sustainability has a reputation as a buzzword. People may use the terms sustainability and sustainable development in ways that are different to how they are usually understood. This can result in confusion and mistrust. So a clear explanation of how the terms are being used in a particular situation is important.

Greenwashing is a practice of deceptive marketing. It is when a company or organization provides misleading information about the sustainability of a product, policy, or other activity. Investors are wary of this issue as it exposes them to risk. The reliability of eco-labels is also doubtful in some cases. Ecolabelling is a voluntary method of environmental performance certification and labelling for food and consumer products. The most credible eco-labels are those developed with close participation from all relevant stakeholders.

See also

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