Ponting, Clive <br/><br/>
A New Green History of the World :  The Environment and the Collapse of Great Civilizations / 
Clive Ponting. 
 - London :  Penguin Books,  2007. 
 - 452 p. ;  mapas ;  21 cm. 
<br/><br/><br/>Inglés 
<br/><br/><label>ISBN: </label>9780143038986  Normal 
<br/><br/><label>Dewey Class. No.: </label>333.7