A system of ocean currents that transports heat northward across the North Atlantic could collapse by mid-century, according to a new study, and scientists have said before that such a collapse could cause catastrophic sea-level rise and
on the East Coast of the United States and drought for millions in southern Africa, scientists in Germany and the US have said. But the timing is uncertain.sea surface temperatures
They found the system could collapse as soon as 2025 and as late as 2095, given current global greenhouse gas emissions. “There are large uncertainties in this study, in many prior studies, and in climate impact assessment overall, and scientists sometimes miss important aspects that can lead to both over and underprediction of impacts," Julio Friedmann, chief scientist at Carbon Direct, a carbon management company, said in a statement.
Stefan Rahmstorf, co-author of a 2018 study on the subject, published an extensive analysis of Ditlevesen's study on RealClimate, a website that publishes commentary from climate scientists.
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