Bericht des Potsdam Instituts für Klimafolgenforschung, 8.5.2020
Global mean sea-level rise could exceed 1 metres by 2100 and 5 metres by 2300 with unchecked emissions, a survey among 100 leading international experts finds. The risk assessment is based on the increasing body of knowledge of the systems involved – while the scientists highlight the remaining uncertainties, they say it is clear now that previous sea-level rise estimates have been too low. The study led by scientists of Nanyang Technological University, Singapore (NTU Singapore) appears today in the Nature partner journal Climate and Atmospheric Science.
"What we do today, within a few decades, will determine the rise of sea level for many centuries. The new analysis shows this more clearly than ever before," says co-author Stefan Rahmstorf from the Potsdam Institute for Climate Impact Research (PIK) in Germany. "But this is also good news: when it comes to greenhouse gas emissions, we have it in our own hands how much we increase the risks for millions of people at the world's coasts, from Hamburg to Shanghai and from Mumbai to New York."
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