Wright, Richard T.,  1933- <br/><br/>
Environmental science :  toward a sustainable future / 
Richard T. Wright and Bernard J. Nebel 
 - 8th ed. 
 - Upper Saddle River, New Jersey :  Prentice Hall,  2002 
 - xxi, various paging :  col. ill. ;  29 cm. 
<br/><br/> This text is accompanied by supplement entitled'Learning system series' 
<br/><br/>Includes bibliographical references (p. 631-644) and index 
<br/><br/><label>ISBN: </label>0130325384  RM369.84 0130969230  RM306.00 0130969257 (supplement) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences