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Apr. 15, 2021
EPA Publishes 28th Annual U.S. Greenhouse Gas Inventory
EPA released its 28th annual Inventory of U.S. Greenhouse Gas Emissions and Sinks (GHG Inventory), which presents a national-level overview of annual greenhouse gas emissions from 1990 to 2019. Net U.S. greenhouse gas emissions were 5,769 million metric tons of carbon dioxide equivalent in 2019, a 1.7 percent decrease in emissions between 2018 and 2019. While many long-term and short-term factors influence annual greenhouse gas emissions in recent years, the downward GHG emissions trend can be largely attributed to falling emissions in the electric power sector. The GHG Inventory covers seven key greenhouse gases: carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons, sulfur hexafluoride, and nitrogen trifluoride. In addition to tracking U.S. greenhouse gas emissions, the inventory also calculates carbon dioxide that is removed from the atmosphere through the uptake of carbon in forests and other vegetation. Public review of this year's report occurred from 12 February to 15 March 2021 and comments received are posted to the docket EPAHQ-OAR-2021-0008. Responses to comments will be posted to EPA's website within 2-4 weeks following publication of this report.
 


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