Ehrlich, Paul R <br/><br/>
Can a collapse of global civilization be avoided?  [electronic resource] 

 -  Proceedings. Biological sciences  Mar 2013 
 - 20122845 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1471-2954 
<br/><br/><label>Standard No.: </label>10.1098/rspb.2012.2845  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civilization<br/>Climate Change<br/>Disasters--prevention & control<br/>Earth, Planet<br/>Ecosystem<br/>Food Supply<br/>Humans<br/>Population Density<br/>Socioeconomic Factors