October 22, 2014 Source: U.S. Energy Information Administration, Annual CO2 Analysis; Census Bureau; Bureau of Economic AnalysisNote: Growth rates reflect annual changes. U.S. energy-related carbon dioxide (CO2) emissions increased in 2013 by 129 million metric tons (2.5%), the largest increase since 2010 and the fourth-largest increase since 1990. Emissions trends reflect a combination of economic […]