Rising temperatures and growing demands for thirsty grains like rice and wheat could drain much of the world’s groundwater in the next few decades, new research warns.
Nearly half of our food comes from the warm, dry parts of the planet, where excessive groundwater pumping to irrigate crops is rapidly shrinking the porous underground reservoirs called aquifers. Vast swaths of India, Pakistan, southern Europe, and the western United States could face depleted aquifers by mid-century, a recent study finds—taking a bite out of the food supply and leaving as many as 1.8 billion people without access to this crucial source of fresh water. Continue reading...
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