Cunningham, William P. <br/><br/>
Environmental science :  a global concern / 
William P. Cunningham, Mary Ann Cunningham. 
 - Twelfth ed. 
 - New York :  McGraw-Hill ,  c2012. 
 - xxiii, 613 p. :  ill. (some col.), col. maps ;  30 cm. 
<br/><br/> Includes index. 
<br/><br/>includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780071314954 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences.
<br/><br/><label>LC Class. No.: </label>GE105  / C86 2012