Nitrous oxide emissions, largely from agriculture, have increased significantly from 1980 to 2020. Efforts to reduce these emissions are critical as there are no means to remove the gas from the atmosphere, posing risks to climate and environmental health.
Over four decades, nitrous oxide emissions have risen sharply, driven mainly by agriculture. Without technologies to remove it, the focus must shift to reducing emissions to meet the Paris Agreement targets.
Recent increases in emissions heighten concerns over their impact on global warming and environmental health.
Nitrous Oxide Emissions
Between 1980 and 2020, emissions of nitrous oxide—a greenhouse gas more potent than carbon dioxide or methane—continued unabated, with over 10 million metric tons released into the atmosphere in 2020 alone, predominantly due to farming practices. This finding comes from a new report by the Global Carbon Project.
The report, “Global Nitrous Oxide Budget 2024,” led by researchers from Boston College and published today (June 11) in the journal Earth System Science Data, states that agricultural production was responsible for 74 percent of human-driven nitrous oxide emissions in the 2010s. These emissions were mainly due to the use of chemical fertilizers and animal waste on croplands.
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