Studie von Chris Strokes et. al. im Fachjournal »nature«, 20.5.2025 (engl. Original)
Hence, continued mass loss from ice sheets poses an existential threat to the world’s coastal populations, with an estimated10 one billion people inhabiting land less than 10 m above sea level and around 230 million living within 1 m.
Without adaptation, conservative estimates suggest that 20 cm of SLR by 2050 would lead to average global flood losses of US$1 trillion or more per year for the world’s 136 largest coastal cities. Furthermore, whilst absolute values of SLR are useful, it is the rate of change that is likely to determine the appropriate societal response, with the IPCC suggesting that ‘very high rates’ of SLR (e.g. 10–20 mm year−1) would challenge the implementation of adaptation measures that involve long lead times. Such high rates (e.g. >10 mm year−1) might occur as early as 2100 if the recent acceleration in SLR continues throughout this century.
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