Lenton, Tim <br/><br/>
2 °C or not 2 °C? That is the climate question.  [electronic resource] 

 -  Nature  May 2011 
 - 7 p.  digital 
<br/><br/> Publication Type: Editorial 
<br/><br/><label>ISSN: </label>1476-4687 
<br/><br/><label>Standard No.: </label>10.1038/473007a  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Global Warming<br/>Policy Making<br/>United Nations