Obama&#39;s &#39;We Can&#39;t Wait&#39; Moment On Climate <b>Disaster</b>

In 2009, Rajendra Pachauri, head of the Intergovernmental Panel on Climate Change (IPCC), warned that global greenhouse gas emissions must begin to decline by 2015 if we are to keep climate disruption from spinning beyond control. “It is not enough to ... See all stories on this topic » ThinkProgress