Greenhouse gas emissions from the way humans produce and consume food could add nearly 1 degree of warming to the Earth's climate by 2100, according to a new study.
Continuing the dietary patterns of today will push the planet past the 1.5 degrees Celsius limit of warming sought under the Paris climate agreement to avoid the worst effects of climate change, according to the study published Monday in Nature Climate Change, and will approach the agreement's limit of 2 degrees Celsius .
People are also reading… "I think the biggest takeaway that I would want to have is the fact that methane emissions are really dominating the future warming associated with the food sector," said Catherine C. Ivanovich, a climate scientist at Columbia University and the study's lead author. Stanford University climate scientist Chris Field, who wasn't involved in the study, said it used well-established methods and datasets"to produce a novel, sobering conclusion."
Many of these changes are already being called for or adopted. U.S. President Joe Biden touted the climate benefits of planting cover crops that can draw down carbon from the atmosphere in an April 2021 address to Congress. Multiple recent studies and reports have recommended eating less meat in order to reduce greenhouse gas creation by animals raised for consumption. And California started a mandatory food waste recycling program in 2021 to reduce the emissions created by decaying food.
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