Gore, Al <br/><br/>
Earth in the balance  ecology and the human spirit 

 - New York, NY  Houghton Mifflin  1992 
 - 407 p. 
<br/><br/> D., 7/03 
<br/><br/><label>ISBN: </label>0-395-57821-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology<br/>Enviromental protection