UNEP <br/><br/>
Global environment outlook   For life on earth    
UNEP 
 - New York  United Nation          1997 
 - 264p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>U:(G:55).1.N9, N7/TD