Pojman, Louis P. Environmental ethics : readings in theory and application / Louis P. Pojman, Paul Pojman. - 6th ed. - Boston, Mass. : Wadsworth, c2012. - xiii, 769 p. : ill. ; 24 cm. Includes bibliographical references. ISBN: 9780538452847 0538452846 9781111298067 1111298068 Subjects--Topical Terms: Environmental ethics. Dewey Class. No.: 179.1 / POE 2012