President Barack Obama speaks about climate change, Tuesday, June 25, 2013, at Georgetown University in Washington. The president is proposing sweeping steps to limit heat-trapping pollution from ... more 
President Barack Obama speaks about climate change, Tuesday, June 25, 2013, at Georgetown University in Washington. The president is proposing sweeping steps to limit heat-trapping pollution from coal-fired power plants and to boost renewable energy production on federal property, resorting to his executive powers to tackle climate change and sidestepping the partisan gridlock in Congress. (AP Photo/Charles Dharapak) less 
1 / 22
Associated Press | Photo By Charles Dharapak
Tue, Jun 25, 2013 4:39 PM EDT