A wave of new research using decades of NASA satellite data has revealed that Earth's continents are drying out at an unprecedented rate, with massive losses of freshwater over the past 20 years. The main drivers are climate change, overuse of groundwater, and increased evaporation due to rising temperatures. This rapid depletion is not only threatening drinking water supplies for billions but is also now contributing more to sea level rise than melting glaciers. Four 'mega-drying' regions have been identified, all in the Northern Hemisphere, highlighting the global scale of the crisis. Experts warn that urgent action is needed to manage water resources and prevent severe impacts on food security, ecosystems, and human health.
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