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Critical Zone

Two people stand in a darkened space in an art gallery amid stylized images of trees and flowing water projected in shades of light to dark blue onto walls and hanging screens.
Posted inScience Updates

An Art-Science Partnership Offering New Views of Dynamic Landscapes

by Christina Tague and Ethan Turpin 3 April 20268 April 2026

The immersive and interactive WILDLAND exhibition allowed the public—and the exhibition’s creators—to explore connections among water, trees, fire, and other natural and human-made materials expressed across a spectrum of artistic approaches.

Ground-level view looking over a flat expanse of land covered in a crust of crystalline salt, with a group of people standing around a tall drilling rig in the distance.
Posted inFeatures

Drilling Down to Open Up New Understanding of Earth’s Continents

by Christopher A. Scholz, Anders Noren, Lisa Park Boush, Brett M. Carpenter and Russell Callahan 27 March 202627 March 2026

Scientists have drilled into Earth’s crust for decades to understand natural hazards, past climates, energy resources, and more. They’ve only scratched the surface of what we can learn.

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.

Depiction of the proposed approach to Critical Zone Science.
Posted inEditors' Vox

Earth’s Critical Zone Remains a Mystery Without its People

by Larissa A. Naylor, Jennifer A. J. Dungait, Paul D. Hallett, Neil Munro, Alasdair Stanton and Timothy A. Quine 19 September 20238 January 2024

Achieving the UN Sustainable Development Goals may only be possible if human activities are central to critical zone science.

Photograph of a soil surface
Posted inNews

Solar Panels Nurse Desert Soil Back to Life

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 12 May 202330 May 2023

Cultivating delicate soil crust in the shade of solar panels might boost the recovery of arid land.

One person sits and two others stand on part of a large outcrop of gray rock.
Posted inScience Updates

Envisioning a Near-Surface Geophysics Center for Convergent Science

by Xavier Comas, Sarah Kruse, Gordon Grant, Brooks Hanson and Laura Lyon 5 April 20231 June 2023

A recent effort identified how a proposed near-surface geophysics center integrating research and teaching could address critical challenges and promote community engagement and cultural change.

这幅森林场景描绘了几棵铁杉树的底部,其根部暴露在外
Posted inResearch Spotlights

用木质部估算植物用水量

Sarah Derouin, Science Writer by Sarah Derouin 31 January 202321 March 2023

一项新研究表明,来自植物木质部的化学同位素可以帮助改善森林水循环的表征。

A forest scene depicts the base of several hemlock trees with their roots exposed.
Posted inResearch Spotlights

To Estimate Plant Water Use, Consider the Xylem

Sarah Derouin, Science Writer by Sarah Derouin 13 January 202331 January 2023

New research shows that chemical isotopes from plant xylem can improve representations of the forest water cycle.

A tuft of switchgrass with its associated roots is displayed horizontally on a black background.
Posted inResearch Spotlights

The World’s Roots Are Getting Shallower

by Rebecca Dzombak 17 November 202217 November 2022

Root-filled soils are hot spots of nutrient cycling and carbon storage. New research finds that the world has lost millions of cubic meters of rooted soil volume—and we’re on track to lose much more.

Scientists take groundwater samples at a karst aquifer field site.
Posted inNews

Groundwater May Fix as Much Carbon as Some Ocean Surface Waters

by Carolyn Wilke 28 July 20227 September 2022

Microbes from wells as deep as 90 meters created organic carbon at a rate that overlaps with some nutrient-poor spots in the ocean.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

Research Spotlights

What Makes Mars’s Magnetotail Flap?

20 April 202620 April 2026
Editors' Highlights

More Braided Rivers from Increasing Flow Variability

22 April 202616 April 2026
Editors' Vox

Can Any Single Satellite Keep Up with the World’s Floods?

20 April 202620 April 2026
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