Worldwatch :  Vision for a sustainable world  [Disco compacto]/ 
 Vision for a sustainable world. 
publ. by the Worldwatch Institute. 
<br/><br/> Collection of Worldwatch publications 2007-2009. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Desarrollo sostenible.
<br/><br/><label>Dewey Class. No.: </label>333.7  / W927a 2010