Environmental ethics / Boylan, Michael.

Environmental ethics / Elliot, Robert, 1950-

Environmental ethics : the big questions / Keller, David R., 1962-

Environmental ethics : an introduction to environmental philosophy / DesJardins, Joseph R.

Environmental ethics : readings in theory and application / Pojman, Louis P.

Environmental ethics : readings in theory and application / Pojman, Louis P.

Environmental ethics : an introduction to environmental philosophy / DesJardins, Joseph R.

Watersheds 3 : ten cases in environmental ethics / Newton, Lisa H., 1939-

The environmental ethics and policy book : philosophy, ecology, economics / VanDeVeer, Donald, 1939-

Environmental ethics : an overview for the twenty-first century / Attfield, Robin author.

A new environmental ethics : the next millenium for life on earth Rolston, Holmes (1932- ).

Environmental ethics : an overview for the twenty-first century / Attfield, Robin.