The [overpopulated] world’s forgotten greenhouse gas

The Extinction Chronicles

https://www.bbc.com/future/article/20210603-nitrous-oxide-the-worlds-forgotten-greenhouse-gas

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Agriculture is the principal source of N2O emissions from human activity (Credit: Getty Images)

By Ula Chrobak3rd June 2021FromKnowable MagazineEmissions of the greenhouse gas commonly known as laughing gas are soaring. Can we cut emissions from its greatest anthropogenic source?I

In the world’s effort to cut greenhouse gas emissions, the source of our food is coming into the spotlight. There’s good reason for that:Agriculture accounts for 16 to 27% of human-caused climate-warming emissions.But much of these emissions are not from carbon dioxide, that familiar climate change villain. They’re from another gas altogether: nitrous oxide (N2O).

Also known as laughing gas, N2O does not get nearly the attention it deserves, says David Kanter, a nutrient pollution researcher at New York University and vice-chair of the International Nitrogen Initiative, an organisation focused on nitrogen pollution research and policy making. “It’s a forgotten greenhouse gas,”…

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