Independent: Flooding of major coastal cities could cost the world economy more than 600bn a year by 2050, say scientists. Three cities in the US Miami, New York and New Orleans and Guangzhou in China are together expected to shoulder 43 per cent of the burden. Other cities facing the highest flood losses in 2050 included Mumbai, Jakarta, Boston, Bangkok and Abidjan, while in Europe, the cities of Marseille, Naples and Athens were also at risk. The loss estimate is based on projections of climate change,...