Mending the earth :  a world for our grandchildren / 
edited by Paul Rothkrug and Robert L. Olson. 
 - Berkeley, Calif. :  North Atlantic Books,  1991. 
 - xxiv, 219 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>1556430914 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental protection<br/>Human ecology
<br/><br/><label>LC Class. No.: </label>TD170 
<br/><br/><label>Dewey Class. No.: </label>363.7