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Hundreds of millions at risk as river deltas sink faster than rising seas #Riverdeltas

Hundreds of millions at risk as river deltas sink faster than rising seas
Many of the world’s largest river deltas—home to hundreds of millions of people—are sinking faster than rising seas, according to a sweeping global study. Using high-resolution satellite radar maps, researchers found that human activities like groundwater pumping, reduced sediment flow, and rapid urban growth are driving widespread land subsidence across 40 major deltas.