Defries, Ruth S Silver, Simon Cheryl <br/><br/>
One earth our changing global environment one future 

 - Delhi  East West press  1991 
 - xii,196p.; 24cm. 
<br/><br/><label>ISBN: </label>8185336695 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental policy<br/>Global environmental change<br/>Global warning<br/>Global warning<br/>Man - influence on nature<br/>Pollution