Earth's riches 

 - London :  Reader's Digest,  c2008 
 - 160 p. : ill., col., photos ;  29.3 cm. 
<br/><br/>Includes index and picture credits. 
<br/><br/><label>ISBN: </label>9780276442933 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources<br/>Environmental degradation<br/>Pollution
<br/><br/><label>Dewey Class. No.: </label>R 333.7 R221e 2008