Total estimated U.S. emissions in 2021 = 6,340 million metric tons of carbon-dioxide equivalent (MMT CO2 Eq.)
Pie chart with 6 items
Item 1, Commercial 15.3%; 972.2 MMT CO2 Eq.
Item 2, Residential 15.0%; 953.8 MMT CO2 Eq.
Item 3 (with detail), Agriculture 10.6%; 671.5 MMT CO2 Eq.
Item 4, U.S. territories 0.4%; 24.1 MMT CO2 Eq.
Item 5, Industry 30.1%; 1,909.2 MMT CO2 Eq.
Item 6, Transportation 28.5%; 1,809.5 MMT CO2 Eq.
Total estimated U.S. agriculture emissions in 2021 = 671.5 million metric tons of carbon-dioxide equivalent (MMT CO2 Eq.)
Bar chart with 4 items.
Item 1, Direct CO2 (carbon dioxide) 44.7 MMT CO2 Eq.
Item 2, Direct CH4 (methane) 278.4 MMT CO2 Eq.
Item 3, Direct N2O (nitrous oxide) 312.6 MMT CO2 Eq.
Item 4, Indirect electricity-related 35.7 MMT CO2 Eq.
Note: Emissions from electric power are allocated based on aggregate electricity use in each end-use sector in the pie chart. Components may not sum to totals because of independent rounding.
Source: USDA, Economic Research Service using data from U.S. Environmental Protection Agency, April 2023: Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2021, table 2-12.