As many as one fifth of the world’s wells could be about to run dry, as levels of the subterranean water table continue to fall. And if they do, the resultant deeper wells spell trouble for billions of people who will face diminishing supplies of clean water, and water for their crops. Most of the world’s freshwater is truly out of sight: 96% of all available water is held in aquifers, rock and sediment layers just below, and sometimes well below, the Earth’s surface. It sustains almost half of global agriculture. The world’s drylands are also home to more than a third of all humanity.
Climate News Network 26th April 2021 read more »