Environmental ethics :  readings in theory and application / 
[edited by] Louis P. Pojman. 
 - 4th ed. 
 - Belmont, CA :  Thomson/Wadsworth,  2005. 
 - xiii, 678 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0534639712 (pbk.)  RM289.24 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental ethics.