Climate Central: It is already taking shape as the 21st century urban nightmare: a big storm hits a city like Shanghai, Mumbai, Miami or New York, knocking out power supply and waste treatment plants, washing out entire neighborhoods and marooning the survivors in a toxic and foul-smelling swamp.
The rate of sea level rise is three or four times faster than the global average on the U.S. East Coast, which is also a "hotspot," with cities, beaches and wetlands exposed to flooding.
Now the world's leading scientists...