Cunningham, William P. <br/><br/>
Environmental science :  a global concern / 
William P. Cunningham, Mary Ann Cunningham, Barbara Woodworth Saigo. 
 - 9th ed. 
 - Boston :  McGraw Hill Higher Education,  c2007. 
 - xvi, 620 p. : fold. maps, col. photos 
<br/><br/> Includes bibliographical references, glossary, and indices. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences.