1) Starting with Aldo Leopold's writings has become almost canonical:
Leopold, Aldo. A Sand County Almanac. New York: Ballantine Books, (1949) 1986.
2) There are a number of textbooks in environmental ethics which provide an overview of at least some ways of approaching the subject:
Joseph Belshaw Environmental Philosophy: Reason, Nature, and Human Concern ISBN: 0773523073 $19.95
Joseph Des Jardins, ed.Environmental Ethics: An Introduction to Environmental Philosophy, 3rd Ed (Wadsworth, 2000) ISBN: 0534519660 $44.95
Elliot, Robert, ed.Environmental Ethics (Oxford Readings in Philosophy) (Oxford University Press, 1995) ISBN: 0198751443 $21.95
Gruen, Lori and Dale Jamieson, eds.Reflecting on Nature : Readings in Environmental Philosophy (Oxford, 1994) ISBN: 0195082907 $32.95
Frederik Kaufman Foundations of Environmental Philosophy: A Text with Readings ISBN: 0767419804 $60
Newton, Lisa, and Catherine Dillingham, eds.Watersheds: Classic Cases in Environmental Ethics, 2nd Ed, (Wadsworth, 1996) ISBN: 0534511813 $22.95
Scherer, Donald, ed. Upstream/Downstream : Issues in Environmental Ethics (Temple University Press, 1993) ISBN: 1566390796 $22.95
Schmidtz, David and Elizabeth Willott., eds. Environmental Ethics : What Really Matters, What Really Works (Oxford University Press, November 2001) ISBN: 0195139097
Van deVeer, Donald and Christine Pierce, eds. Environmental Ethics and Policy Book: Philosophy, Ecology, Economics, 2nd Ed, (Wadsworth, 1997) ISBN: 0534525245 $69.95
Weston, Anthony, David Abram, ed. An Invitation to Environmental Philosophy (Oxford University Press, 1998) ISBN: 0195122046 $15.95
Wenz, Peter. Environmental Ethics Today (Oxford University Press, 2001) ISBN: 0195133846 $29.95 (single author book)
3) A number of other good texts have gone out of print (e.g,. People, Penguines, and Plastic Trees) or are just hard to find (e.g., Pojman's Environmental Ethics book). Please send suggestions about other anthologies and textbooks that you are using and they will be included.
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