replenish

If you stand at practically any point on Earth, there is water moving through the ground beneath your feet. Groundwater provides about half of the world's population with drinking water and nearly half of all water used to irrigate crops. It sustains rivers, lakes and wetlands during droughts.Groundwater is a renewable resource, but it can take decades or even centuries for some aquifers to recover after they are depleted. Current understanding of this challenge is based mainly on where and how frequently people record…

Groundwater is an essential but underappreciated resource worldwide. Credit: World Bank, CC BY-ND If you stand at practically any point on Earth, there is water moving through the ground beneath your feet. Groundwater provides about half of the world's population with drinking water and nearly half of all water used to irrigate crops. It sustains rivers, lakes and wetlands during droughts. …

Credit: Unsplash/CC0 Public Domain With torrential rains drenching California, state water regulators have endorsed a plan to divert floodwaters from the San Joaquin River to replenish groundwater that has been depleted by heavy agricultural pumping during three years of record drought. The State Water Resources Control Board…

Whenever there's a big storm in the American West, pilots are likely flying into the eye, seeding clouds with a substance called silver iodide. The goal is to increase precipitation.Cloud seeding has been around since the 1940s. It's become widespread of late as the West battles a drought of historic proportions. States, utility companies and even ski resorts are footing the bill.related investing newsWhile it was was assumed for decades to be effective, recent studies have helped prove that cloud seeding works, and…

Cheng Cao working in the PMS Lab at the University of North Carolina at Chapel Hill. Credit: University of Ottawa Some 250 million years ago—long before dinosaurs roamed the earth—global warming and acid oceans caused by the rapid volcanic emission of the Siberian Traps led to the Permian-Triassic mass extinction, which resulted in the elimination of over 95% of marine and 70% of terrestrial life.…

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