Ethical principals for environmental protection / Robert Goodin -- Political representation for future generations / Gregory S. Kavka and Virginia Warren -- On the survival of humankind / Jan Narveson -- On deep versus shallow theories of environmental pollution / C.A. Hooker -- Preservation of wilderness and the good life / Janna L. Thompson -- The rights of the nonhuman world / Mary Anne Warren -- Are value in nature subjective or objective? / Holmes Rolston III -- Duties concerning islands / Mary Midgley -- Gaia and the forms of life / Stephen R.L. Clark -- Western traditions and environmental ethics / Robin Attfield -- Traditional American Indian and traditional western European attitudes toward nature / J. Baird Callicott -- Roles and limits of paradigms in environmental thought and action / Richard Routley.