A wave of new research using decades of NASA satellite data has revealed that Earth's continents are losing freshwater at an unprecedented rate. The combined effects of climate change, overpumping of groundwater, and increasing evaporation are rapidly depleting underground aquifers and surface water supplies. This crisis is not only shrinking the availability of drinking water for billions but is also contributing more to sea level rise than melting glaciers. Four massive 'mega-drying' regions have been identified, all in the Northern Hemisphere, highlighting the global scale of the problem. Experts warn that urgent action is needed to manage water resources and prevent catastrophic shortages in the near future.
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