Keywords: Climate change fig5 total emissions.png en Fossil fuel total emissions from four groups of countries in 1999 first column in each group and three different predictions for 2020 based on different amounts of economic growth Source Congressional Budget Office based on Department of Energy Energy Information Administration International Energy Outlook 2002 DOE/EIA-0484 2002 2003-04 https //www cbo gov/sites/default/files/108th-congress-2003-2004/reports/04-25-climatechange pdf The Economics of Climate Change a Primer 2003 Congressional Budget Office Congress of the United States other versions PD-USGov Climate change Economic information graphics |