Agriculture accounted for an estimated 10.5 percent of U.S. greenhouse gas emissions in 2018
The U.S. Environmental Protection Agency estimated that agriculture, including electricity consumption, accounted for an estimated 10.5 percent of U.S. greenhouse gas (GHG) emissions in 2018. In agriculture, crop and livestock activities emit nitrous oxide and methane, mainly from fertilizer application, enteric fermentation (a normal digestive process in animals that produces methane), and manure storage and management. GHG emissions from agriculture have increased by approximately 10 percent since 1990. Total U.S. GHG emissions in 2018 were 3.7 percent higher than they were in 1990.
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