The new rules' would reduce harmful emissions, the EPA says. David Paul Morris/Getty Images hide caption

itoggle caption David Paul Morris/Getty Images

That's the coast of the U.S. on the left, the tip of Greenland at the top center and the coast of Europe on the top right. Meanwhile, the storm's tail extends down into the Caribbean. NOAA Satellite and Information Service hide caption

itoggle caption NOAA Satellite and Information Service

Brandon Triche (No. 20) of the Syracuse Orange goes to the hoop against Cody Zeller of the Indiana Hoosiers during their teams' game Thursday night in Washington, D.C. Syracuse won, 61-50. Rob Carr/Getty Images hide caption

itoggle caption Rob Carr/Getty Images

Dec. 18, 2012: Crime scene tape stretches across the property outside the home where Adam Lanza lived with his mother, Nancy Lanza. Inside, police found weapons and other evidence. Lucas Jackson /Reuters /Landov hide caption

itoggle caption Lucas Jackson /Reuters /Landov

South Africa's Oscar Pistorius competing during the London 2012 Paralympic Games. Glyn Kirk /AFP/Getty Images hide caption

itoggle caption Glyn Kirk /AFP/Getty Images

At a Laiki Bank branch in Nicosia, Cyprus, early Thursday, customers lined up to be among the first allowed in. Yannis Behrakis /Reuters /Landov hide caption

itoggle caption Yannis Behrakis /Reuters /Landov

In this image taken July 16, 2012, and provided by Edlib News Network, a Syrian girl holds a poster that reads, "Greetings from Kfarnebel's children to the Free Syrian Army soldiers in Damascus," during a demonstration in Kfarnebel, Syria. The image was part of an "inside rebel-held Syria" series of stories by NPR's Kelly McEvers. AP hide caption

itoggle caption AP