"U.S. Greenhouse Gas Emissions Headed Up Again" [1]
"After dropping for two years during the recession, emissions of the gases blamed for global warming rose in 2010 as the economy heated up, the Environmental Protection Agency reports. Output of carbon dioxide and other heat-trapping gasses were up 3.2 percent from 2009 as the nation climbed slowly out of the deepest economic downturn since the Great Depression, the E.P.A. said."