Academy, Shankar  <br/><br/>
Environment ( 8th Revised edition)  
by Shankar Academy  
 - New Delhi  Shankar IAS Academy   2004 
 - 435p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment <br/>Pollution <br/>Climate Change 
<br/><br/><label>Dewey Class. No.: </label>PKP O91 En89