Economic costs of rising seas will be steeper than we thought, unless we prepare

A study estimates 4 percent in annual global GDP losses by 2100 unless coastal regions prepare

flooded street

Rising seas could cost the world more than 4 percent of global GDP each year by 2100, unless countries prepare now for more coastal flooding. The Chinese city of Guangzhou, where storms helped produce record flooding in July 2017 (shown), could see steep losses from sea level rise.

Wei Shiming/Xinhua/Alamy Live News

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