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Mumbai in India should expect devastating floods to come more regularly. Just 35 years from now, severe coastal flooding could hit twice as often as it does now – if the seas rise by between just 5 and 10 centimetres. Such a hike would make 50-year weather events happen twice as often, according to work by Sean Vitousek , a coastal scientist at the University of Illinois at Chicago, and his colleagues. A 50-year event is an increase in sea level so large that it’s only likely to happen twice a century. Sea levels are actually projected to rise by more than this – estimates put it at between 10 and 20 centimetres over the next few decades. “It doesn’t take a ton of sea level rise to sig... Full story

19 May