The world‘s oceans soak up about a quarter of the CO2 that humans pump into the air each year — a powerful brake on the greenhouse effect. But a study published in the journal Proceedings of the National Academy of Sciences suggests that CO2 regeneration may become faster as the oceans warm with changing climate, which, in turn, may reduce the deep oceans’ ability to keep carbon locked up.

First published in the May 05, 2019, 12:30 a.m. edition

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