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water supply

Snow-covered boreal forest in front of Denali National Park, Alaska
Posted inNews

Boreal Forests May Be on the Move

by Kristel Tjandra 3 February 20253 February 2025

A new model shows a tendency for tree cover to decline in warmer areas and increase in colder ones.

A river in an urban setting flows under a black metal bridge on a sunny day.
Posted inNews

Flint, 10 Years Later

by Grace van Deelen 23 December 202424 December 2024

In the decade since the start of the Flint water crisis, policymakers and communities have made improvements to the lives of residents, but opportunities for progress remain.

Photo of a mountain at night with an aurora and stars in the background.
Posted inEditors' Vox

What’s On the Horizon for Open Access Geoscience Books?

by David Boyt and Jenny Lunn 16 October 20243 October 2024

On the first anniversary of their partnership, AGU and the Geological Society of London reflect on the GeoHorizons series and why open access books are valuable for the geoscience community.

A desert landscape vegetated by dry grass and shrubs.
Posted inNews

Fiber-Optic Cables Used to Measure Changing Soil Moisture

by Caroline Hasler 10 September 202410 September 2024

Scientists are using seismic techniques to measure soil moisture. Their results show that recent droughts in California depleted water in the shallow subsurface.

Hands under flowing water
Posted inNews

Water Scarcity Likely to Increase in the Coming Decades

Katherine Kornei, Science Writer by Katherine Kornei 2 July 20242 July 2024

Hydrological modeling suggests that by 2100 more than 65% of the world’s population might, at least sporadically, lack access to clean water.

An aerial image of the Colorado River as it winds its way near Hite Marina, Utah
Posted inNews

Potential Relief for the Colorado River’s Near Future

Jane Palmer, Science Writer by Jane Palmer 20 June 202420 June 2024

A new study reveals that precipitation could boost the iconic river’s flow in the next couple of decades despite the deleterious effects of warming temperatures due to climate change.

Dos personas intentan mover una piedra sobre un cañón
Posted inFeatures

Cerrando la brecha entre las geociencias y la seguridad nacional

by Peter Chirico, Bruce Molnia, Anthony Nguy-Robertson and Dan Opstal 28 May 202428 May 2024

La comunidad de geociencias y las agencias de seguridad nacional necesitan una comunicación efectiva y bidireccional para intercambiar información.

Part of the Madi River in Nepal, with forested mountains in the distance
Posted inFeatures

Forests, Water, and Livelihoods in the Lesser Himalaya

by L. Adrian Bruijnzeel, Ge Sun, Jun Zhang, Krishna Raj Tiwari and Lu Hao 15 May 202424 March 2025

Complex changes in land use, land cover, climate, and demographics are combining to stress water security for millions of people in the region.

A satellite photo shows the Caspian Sea from above.
Posted inNews

As the Caspian Sea Recedes, Tectonics May Help Shape Its Coastline

by Grace van Deelen 6 May 20247 November 2024

Land subsidence and uplift determine where the Caspian Sea’s coastline shifts the fastest.

A scientist kneels in the snow with instruments to measure it with a wide view of the Chugach Mountains.
Posted inNews

Changing Snowpack Inspires New Measurement

by Amy Mayer 3 May 20243 May 2024

Climate change is bringing increased variability to annual snowfall, which affects how much water is stored for ecosystem and human use.

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Features from AGU Publications

Research Spotlights

What’s Changed—and What Hasn’t—Since the EPA’s Endangerment Finding

24 June 202524 June 2025
Editors' Highlights

Coupled Isotopes Reveal Sedimentary Sources of Rare Metal Granites

17 June 202516 June 2025
Editors' Vox

Inside Volcanic Clouds: Where Tephra Goes and Why It Matters

16 June 202512 June 2025
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