A report on May 16 from an agency of the World Bank, the Global Facility for Disaster Reduction and Recovery (GFDRR), says that cities around the world are failing to plan for fast-increasing risks from extreme weather and other hazards, and by 2050, 1.3 billion people and $158 trillion in assets will be threatened by worsening river and coastal floods alone. Losses in 136 coastal cities are projected to rise from $6 billion a year in 2010 to $1 trillion a year by 2070. The report, The Making of a Riskier Future: How Our Decisions are Shaping the Future of Disaster Risk is here ; a summary from Thomson Reuters is here . A separate report, also in May, from Christian Aid, ranks cities with the most to lose from coastal flooding. Topping their list: Calcutta (14 million people), Mumbai (11.4 million) and Dhaka (11.1 million). Miami, with 4.8 million people, ranks 9th in population but tops the ranking by exposed assets in 2070 , with $3.5 trillion. New York City ranks 3rd in exposed assets with $2.1tn. The report also discusses the risks to the city of London, U.K. Read Act Now or Pay Later: Protecting a billion people in climate-threatened coastal cities .