Study Warns Saltwater Intrusion Threatens Global Coastal Groundwater by 2100

A NASA-DOD study indicates that by 2100, 77% of global coastal aquifers will face saltwater intrusion due to rising sea levels and reduced groundwater recharge. This phenomenon, caused by shifting fresh and saltwater dynamics, threatens water quality, agriculture, and infrastructure. Low-lying regions, including Southeast Asia, the U.S. Eastern Seaboard, and arid area…

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