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Arizona’s Declining Groundwater
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Published July 21, 2025
Decades of satellite observations show that the aquifers in the southern part of the state are ailing.
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Global Freshwater Abruptly Declines
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Published November 23, 2024
The amount of freshwater stored on land and underground has plummeted in the past decade, which might indicate that Earth’s continents have entered a persistently drier phase.
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Satellites Show Gains in California Water
Published June 10, 2023
Data from winter 2022-2023 show the greatest net gain of water in nearly 22 years, but groundwater levels still suffer from years of drought.
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Reservoirs Rise, but Groundwater Woes Remain
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Published February 13, 2023
The water delivered by winter storms in 2022-2023 is likely insufficient to reverse the longer-term depletion of California’s groundwater.
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Taking a Measure of Sea Level Rise: Gravimetry
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Published November 5, 2020
Scientists measure ice’s gravitational pull on a pair of satellites, allowing them to estimate ice loss and its contribution to sea level rise.
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Signs of Drought in European Groundwater
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Published June 25, 2020
Long-term rainfall deficits, heat waves, and increased evaporation have depleted some of the groundwater supply beneath central and eastern Europe.
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