FILE - In this Nov. 12, 2014 file photo, President Barack Obama shakes hands with Chinese President Xi Jinping at the conclusion of their joint news conference at the Great Hall of the People in Beijing. Six countries produce nearly 60 percent of global carbon dioxide emissions. China and the United States combine for more than two-fifths. The planet’s future will be shaped by what these top carbon polluters do about the heat-trapping gases blamed for global warming. (AP Photo/Pablo Martinez Monsivais, File)
Featured Photo Galleries
