China, any small gains in crops would be vastly outweighed by coastal devastation. The Chinese population is mostly coastal, with the better part of a billion p

China, any small gains in crops would be vastly outweighed by coastal devastation. The Chinese population is mostly coastal, with the better part of a billion people on the coast. Sea level rise will be a massive challenge, salt water intrusion to water supplies, flooding is already devastating in China as well. Then you look at Shanghai, second only to Miami in it's potential to be underwater.