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The world’s biggest seaweed patch sows doubt about a climate fix

Seaweed washed up on the shore in the Caribbean

Sargassum litters a beach on Saint Thomas, US Virgin Islands. A study of a Sargassum bloom that spread across the Atlantic Ocean in 2017 and 2018 casts doubt on seaweed farms’ capacity to curb global warming. Credit: Alyson Myers

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Nature 593, 480 (2021)




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