November 3, 2011
Workers cycle past a coal-fired power plant in December 2010 in Changchun, in northeast China’s Jilin province. The world’s emissions of heat-trapping carbon dioxide took the biggest jump on record, the U.S. Department of Energy calculated, a sign of how feeble the world’s efforts are at slowing man-made global warming. The new figures for 2010 mean that levels of greenhouse gases are higher than the worst-case scenario outlined by climate change experts just four years ago. China, the United States and India are the world’s top producers of greenhouse gases.