A wave of new research using decades of NASA satellite data has revealed that Earth's continents are losing freshwater at an unprecedented rate. Over the past 20 years, 75% of the world's population has experienced declining access to drinking water, driven by climate change, overuse of groundwater, and worsening droughts. The depletion of underground aquifers is not only threatening water security but is also now a major contributor to rising sea levels, surpassing even melting glaciers. Scientists have identified four 'mega-drying' regions, all in the Northern Hemisphere, where the crisis is most severe. Experts warn that urgent action is needed to address this escalating global water crisis before it irreversibly impacts ecosystems, agriculture, and human societies.
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