Economic Recovery Brings Return to Growth of CO2 Emissions

New Worldwatch Institute report stresses the urgent need for cuts
in global greenhouse gas emissions. 

Washington, D.C.—-Although global emissions of carbon dioxide (CO2) declined slightly in 2009, the beginnings of economic recovery led to an unprecedented emissions increase of 5.8 percent in 2010. In 2011, global atmospheric levels of CO2 reached a high of 391.3 parts per million (ppm), up from 388.6 ppm in 2010 and 280 ppm in pre-industrial times. According to new research conducted by the Worldwatch Institute ( for its Vital Signs Online project, energy use represents the largest source of global CO2 emissions.