Environmental ethics :  divergence and convergence / 
[edited by] Richard G. Botzler, Susan J. Armstrong. 
 - 2nd ed. 
 - Boston, Mass. :  McGraw-Hill,  1998. 
 - xii, 600 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0070061807 (pbk. : acid-free paper) 
<br/><br/><label>LCCN: </label>97-005654 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental ethics.<br/>Human ecology--History.