U.S. greenhouse gas emissions by economic sector, 2012

Total U.S. greenhouse gas emissions in 2012 = 6,525.6 million metric tons of carbon-dioxide equivalent

Sector million metric tons of carbon-dioxide equivalent percent of total
Industry 1821.2 27.9%
Transportation 1841 28.2%
Commercial 1067.5 16.4%
Residential 1061.7 16.3%
Agriculture (exploded) 676.3 10.4%
U.S. territories 57.9 0.9%

Note: Electricity emissions are allocated to each end-use sector based on its consumption.
Source: USDA, Economic Research Service using data from U.S. Environmental Protection Agency. 2014. Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2012, Table 2-14.