Today, the U.S. Environmental Protection Agency (EPA) released its 29th 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 2020. Net U.S. greenhouse gas emissions were 5,222.4 million metric tons of carbon dioxide equivalent in 2020, a nearly 11% decrease in emissions from 2019. (Source: EPA)