U.S. net greenhouse gas emissions 1990-2021

Net greenhouse gas emissions in the United States totaled 5.6 billion metric tons of carbon dioxide equivalent (GtCO₂e) in 2021. This represented an increase of some 6.4 percent in comparison to the previous year. Net emissions in the North American country recorded a record high in 2004, at over 6.7 GtCO₂e.

Net greenhouse gas emissions in the United States from 1990 to 2021 (in million metric tons of CO₂ equivalent)

Characteristic	Emissions in MtCO₂e
2021	5,586
2020	5,249.8
2019	5,913.9
2018	5,989.7
2017	5,787.6
2016	5,763.1
2015	6,065.5
2014	6,129.7
2013	6,092.4
2012	5,884.9
2011	6,116
2010	6,307.2
2009	6,120.3
2008	6,531.1
2007	6,737.3
2006	6,589.5
2005	6,696.3
2004	6,754.8
2003	6,524.6
2002	6,496.7
2001	6,411
2000	6,533.4
1999	6,328.9
1998	6,280.8
1997	6,229.4
1996	6,157.2
1995	5,973.1
1994	5,871.6
1993	5,776.4
1992	5,652.4
1991	5,531.2
1990	5,606.4

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Release date

April 2023

More information

Region

United States

Survey time period

1990 to 2021

Special properties

Net emissions include Land-Use Change and Forestry (LULUCF).

Supplementary notes

This statistic was assembled using several editions of the report. Figures not found in the report were taken from the EPA Greenhouse Gas Inventory Data Explorer.

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