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For academic journal, see Environmental Ethics (journal).

Environmental ethics is the part of environmental philosophy which considers extending the traditional boundaries of ethics from solely including humans to including the non-human world. It exerts influence on a large range of disciplines including environmental law, environmental sociology, ecotheology, ecological economics, ecology and environmental geography.

There are many ethical decisions that human beings make with respect to the environment. For example:

  • Should we continue to clear cut forests for the sake of human consumption?
  • Why should we continue to propagate our species, and life itself? [1]
  • Should we continue to make gasoline powered vehicles?
  • What environmental obligations do we need to keep for future generations?[2][3]
  • Is it right for humans to knowingly cause the extinction of a species for the convenience of humanity?
  • How should we best use and conserve the space environment to secure and expand life? [4]

The academic field of environmental ethics grew up in response to the work of scientists such as Rachel Carson and events such as the first Earth Day in 1970, when environmentalists started urging philosophers to consider the philosophical aspects of environmental problems. Two papers published in Science had a crucial impact: Lynn White's "The Historical Roots of our Ecologic Crisis" (March 1967)[5] and Garrett Hardin's "The Tragedy of the Commons" (December 1968).[6] Also influential was Garett Hardin's later essay called "Exploring New Ethics for Survival", as well as an essay by Aldo Leopold in his A Sand County Almanac, called "The Land Ethic," in which Leopold explicitly claimed that the roots of the ecological crisis were philosophical (1949).[7]

The first international academic journals in this field emerged from North America in the late 1970s and early 1980s – the US-based journal Environmental Ethics in 1979 and the Canadian based journal The Trumpeter: Journal of Ecosophy in 1983. The first British based journal of this kind, Environmental Values, was launched in 1992.

Marshall's categories of environmental ethics[edit]

There have been a number of scholars who've tried to categorise the various ways the natural environment is valued. Alan Marshall and Michael Smith are two examples of this, as cited by Peter Vardy in "The Puzzle of Ethics".[8] For Marshall, three general ethical approaches have emerged over the last 40 years. Marshall uses the following terms to describe them: Libertarian Extension, the Ecologic Extension and Conservation Ethics.[9]

Libertarian extension[edit]

Marshall’s Libertarian extension echoes a civil liberty approach (i.e. a commitment to extend equal rights to all members of a community). In environmentalism, though, the community is generally thought to consist of non-humans as well as humans.

Andrew Brennan was an advocate of ecologic humanism (eco-humanism), the argument that all ontological entities, animate and in-animate, can be given ethical worth purely on the basis that they exist. The work of Arne Næss and his collaborator Sessions also falls under the libertarian extension, although they preferred the term "deep ecology". Deep ecology is the argument for the intrinsic value or inherent worth of the environment – the view that it is valuable in itself. Their argument, incidentally, falls under both the libertarian extension and the ecologic extension.

Peter Singer's work can be categorized under Marshall's 'libertarian extension'. He reasoned that the "expanding circle of moral worth" should be redrawn to include the rights of non-human animals, and to not do so would be guilty of speciesism. Singer found it difficult to accept the argument from intrinsic worth of a-biotic or "non-sentient" (non-conscious) entities, and concluded in his first edition of "Practical Ethics" that they should not be included in the expanding circle of moral worth.[10] This approach is essentially then, bio-centric. However, in a later edition of "Practical Ethics" after the work of Næss and Sessions, Singer admits that, although unconvinced by deep ecology, the argument from intrinsic value of non-sentient entities is plausible, but at best problematic. Singer advocated a humanist ethics.

Ecologic extension[edit]

Alan Marshall's category of ecologic extension places emphasis not on human rights but on the recognition of the fundamental interdependence of all biological (and some abiological) entities and their essential diversity. Whereas Libertarian Extension can be thought of as flowing from a political reflection of the natural world, Ecologic Extension is best thought of as a scientific reflection of the natural world. Ecological Extension is roughly the same classification of Smith’s eco-holism, and it argues for the intrinsic value inherent in collective ecological entities like ecosystems or the global environment as a whole entity. Holmes Rolston, among others, has taken this approach.

This category might include James Lovelock's Gaia hypothesis; the theory that the planet earth alters its geo-physiological structure over time in order to ensure the continuation of an equilibrium of evolving organic and inorganic matter. The planet is characterized as a unified, holistic entity with ethical worth of which the human race is of no particular significance in the long run.

Conservation ethics[edit]

Marshall's category of 'conservation ethics' is an extension of use-value into the non-human biological world. It focuses only on the worth of the environment in terms of its utility or usefulness to humans. It contrasts the intrinsic value ideas of 'deep ecology', hence is often referred to as 'shallow ecology', and generally argues for the preservation of the environment on the basis that it has extrinsic value – instrumental to the welfare of human beings. Conservation is therefore a means to an end and purely concerned with mankind and inter-generational considerations. It could be argued that it is this ethic that formed the underlying arguments proposed by Governments at the Kyoto summit in 1997 and three agreements reached in Rio in 1992.[citation needed]

Humanist theories[edit]

Following the bio-centric and eco-holist theory distinctions, Michael Smith further classifies Humanist theories as those that require a set of criteria for moral status and ethical worth, such as sentience.[citation needed] This applies to the work of Peter Singer who advocated a hierarchy of value similar to the one devised by Aristotle which relies on the ability to reason. This was Singer's solution to the problem that arises when attempting to determine the interests of a non-sentient entity such as a garden weed.

Singer also advocated the preservation of "world heritage sites," unspoilt parts of the world that acquire a "scarcity value" as they diminish over time. Their preservation is a bequest for future generations as they have been inherited from our ancestors and should be passed down to future generations so they can have the opportunity to decide whether to enjoy unspoilt countryside or an entirely urban landscape. A good example of a world heritage site would be the tropical rainforest, a very specialist ecosystem that has taken centuries to evolve. Clearing the rainforest for farmland often fails due to soil conditions, and once disturbed, can take thousands of years to regenerate.

Applied theology[edit]

The Christian world view sees the universe as created by God, and humankind accountable to God for the use of the resources entrusted to humankind. Ultimate values are seen in the light of being valuable to God. This applies both in breadth of scope - caring for people (Matthew 25) and environmental issues, e.g. environmental health (Deuteronomy 22.8; 23.12-14) - and dynamic motivation, the love of Christ controlling (2 Corinthians 5.14f) and dealing with the underlying spiritual disease of sin, which shows itself in selfishness and thoughtlessness. In many countries this relationship of accountability is symbolised at harvest thanksgiving. (B.T. Adeney : Global Ethics in New Dictionary of Christian Ethics and Pastoral Theology 1995 Leicester)


Main article: Anthropocentrism

Anthropocentrism simply places humans at the centre of the universe; the human race must always be its own primary concern. It has become customary in the Western tradition to consider only our species when considering the environmental ethics of a situation. Therefore, everything else in existence should be evaluated in terms of its utility for us, thus committing speciesism. All environmental studies should include an assessment of the intrinsic value of non-human beings.[11] In fact, based on this very assumption, a philosophical article has explored recently the possibility of humans' willing extinction as a gesture toward other beings.[12] The authors refer to the idea as a thought experiment that should not be understood as a call for action.

What anthropocentric theories do not allow for is the fact that a system of ethics formulated from a human perspective may not be entirely accurate; humans are not necessarily the centre of reality. The philosopher Baruch Spinoza argued that we tend to assess things wrongly in terms of their usefulness to us.[citation needed] Spinoza reasoned that if we were to look at things objectively we would discover that everything in the universe has a unique value. Likewise, it is possible that a human-centred or anthropocentric/androcentric ethic is not an accurate depiction of reality, and there is a bigger picture that we may or may not be able to understand from a human perspective.

Peter Vardy distinguished between two types of anthropocentrism.[13] A strong thesis anthropocentric ethic argues that humans are at the center of reality and it is right for them to be so. Weak anthropocentrism, however, argues that reality can only be interpreted from a human point of view, thus humans have to be at the centre of reality as they see it.

Another point of view has been developed by Bryan Norton, who has become one of the essential actors of environmental ethics through his launching of what has become one of its dominant trends: environmental pragmatism. Environmental pragmatism refuses to take a stance in the dispute between the defenders of anthropocentrist ethics and the supporters of non anthropocentrist ethics. Instead, Norton prefers to distinguish between strong anthropocentrism and weak-or extended-anthropocentrism and develops the idea that only the latter is capable of not underestimating the diversity of instrumental values that humans may derive from the natural world.[14]

A recent view relates anthropocentrism to the future of life. Biotic ethics are based on the human identity as part of gene/protein organic life whose effective purpose is self-propagation. This implies a human purpose to secure and propagate life.[1][4] Humans are central because only we can secure life beyond the duration of the Sun, possibly for trillions of eons.[15] Biotic ethics values life itself, as embodied in biological structures and processes. Humans are special because we can secure the future of life on cosmological scales. In particular, humans can continue sentient life that enjoys its existence, adding further motivation to propagate life. Humans can secure the future of life, and this future can give human existence a cosmic purpose.[1][4]

Status of the field[edit]

Environmental ethics became a subject of sustained academic philosophic reflection in the 1970s. Throughout the 1980s it remained marginalized within the discipline of philosophy, attracting the attention of a fairly small group of thinkers spread across the world.

Only after 1990 did the field gain institutional recognition at programs such as Colorado State University, the University of Montana, Bowling Green State University, and the University of North Texas. In 1991, Schumacher College of Dartington, England, was founded and now provides an MSc in Holistic Science.

These programs began to offer a masters degree with a specialty in environmental ethics/philosophy. Beginning in 2005 the Department of Philosophy and Religion Studies at the University of North Texas offered a PhD program with a concentration in environmental ethics/philosophy.

In Germany, the University of Greifswald has recently established an international program in Landscape Ecology & Nature Conservation with a strong focus on environmental ethics. In 2009, the University of Munich and Deutsches Museum founded the Rachel Carson Center for Environment and Society, an international, interdisciplinary center for research and education in the environmental humanities.

See also[edit]


  1. ^ a b c Mautner, Michael N. (2009). "Life-centered ethics, and the human future in space". Bioethics 23: 433–440. doi:10.1111/j.1467-8519.2008.00688.x. PMID 19077128. 
  2. ^ Climate change victims estimated at millions in the near future, according to Christian Aid
  3. ^ 150000 people killed already by climate change
  4. ^ a b c Mautner, Michael N. (2000). Seeding the Universe with Life: Securing Our Cosmological Future. Washington D. C.: Legacy Books. ISBN 0-476-00330-X. 
  5. ^ White, Lynn (March 1967). "The Historical Roots of our Ecologic Crisis". Science 155 (3767): 1203–1207. doi:10.1126/science.155.3767.1203. PMID 17847526. 
  6. ^ Hardin, Garrett (December 1968). "The Tragedy of the Commons". Science 162 (3859): 1243–8. doi:10.1126/science.162.3859.1243. PMID 5699198. 
  7. ^ Leopold, Aldo (1949). "The Land Ethic". A Sand County Almanac. ISBN 1-59726-045-2. 
  8. ^ Peter Vardy, Paul Grosch: The Puzzle of Ethics. New York: Harper Collins 1999.
  9. ^ Marshall, Alan. Ethics and the Extraterrestrial Environment. In: Journal of Applied Philosophy, Vol. 10, No. 2, 1993, pp. 227-236. ISSN 1468-5930. 
  10. ^ Peter Singer: Practical Ethics. Cambridge: Cambridge University Press 2011.
  11. ^ Singer, Peter. " Environmental Values. The Oxford Book of Travel Stories. Ed. Ian Marsh. Melbourne, Australia: Longman Chesire, 1991. 12-16.
  12. ^ Tarik Kochi & Noam Ordan, “An Argument for the Global Suicide of Humanity”. Borderlands, 2008, Vol. 3, 1-21.
  13. ^ Peter Vardy and Paul Grosch (1999), The Puzzle of Ethics, p. 231
  14. ^ Afeissa, H. S. (2008) “The Transformative value of Ecological Pragmatism. An Introduction to the Work of Bryan G. Norton”. S.A.P.I.EN.S. 1 (1)
  15. ^ Mautner, Michael N. (2005). "Life in the cosmological future: Resources, biomass and populations". Journal of the British Interplanetary Society 58: 167–180. 

External links[edit]

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