As we live and breathe :   the challenge of our environment / 
For. Gilbert M. Grosvenor 
 - 	Washington, D.C. :   National Geographic Society,   1971 
 - 	239 p. :   ill. (some col.)    26 cm. 
<br/><br/>Includes index. 
<br/><br/>  	 This book presents the story of man's misuse of the universe. 
<br/><br/><label>ISBN: </label>	0870440977 ;9780870440977 
<br/><br/><label>Subjects--Topical Terms: </label><br/> 	      Human ecology.  ;   Nature -- Effect of human beings.
<br/><br/><label>Universal Decimal Class. No.: </label>363.7