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Climate Change

A satellite image of a river becoming a fan-shaped delta and then draining into the ocean.
Posted inResearch Spotlights

Arctic Rivers Trade Inorganic Nitrogen for Organic

by Saima May Sidik 6 August 20256 August 2025

Climate change is shifting the makeup of a key nutrient in rivers across Russia, Alaska, and Canada, with the potential for ecosystem-wide impacts.

Illustration of a hexagonal satellite with two large solar panels orbiting above a cloudy Earth.
Posted inResearch & Developments

NASA Planning for Unauthorized Shutdown of Carbon Monitoring Satellites

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 5 August 20255 August 2025

Despite warnings that their actions are illegal, Duffy and other senior NASA officials have continued to secretly direct NASA employees to draw up plans to end at least two major satellites missions specifically designed to monitor global carbon dioxide.

Gray-brown cliffs with spires next to a body of water
Posted inNews

Cave Deposits Reveal a Permafrost-Free Arctic

by Kaja Šeruga 4 August 20254 August 2025

Mineral cave deposits from northern Siberia show that the region was permafrost free during the late Miocene period, when Earth was warmer than today.

Snow-covered surface with dark patches of soil uncovered. Steam is rising from some patches.
Posted inNews

As the Arctic Warms, Soils Lose Key Nutrients

Javier Barbuzano, Science Writer by Javier Barbuzano 1 August 202524 October 2025

Climate change heats not only the air and the ocean but also the soil, where key processes that determine fertility and carbon sequestration operate in a fine-tuned balance.

A woman carries a watering can on her head as she walks along a dirt path running between a crop field and natural vegetation.
Posted inResearch Spotlights

When Rain Falls in Africa, Grassland Carbon Uptake Rises

by Saima May Sidik 30 July 202530 July 2025

Satellite data suggest an explanation for the continent’s high year-to-year variability in carbon uptake.

Cracked sea ice seen from above
Posted inNews

Southern Ocean Salinity May Be Triggering Sea Ice Loss

by Bill Morris 29 July 20259 October 2025

New satellite technology has revealed that the Southern Ocean is getting saltier, an unexpected turn of events that could spell big trouble for Antarctica.

Primer plano de una veta blanca de calcita en roca basáltica gris con una pequeña planta sobre la roca.
Posted inOpinions

Verdaderas soluciones climáticas están debajo de nosotros

by Peter Reiners 29 July 20257 August 2025

Es momento de aceptar que el almacenamiento duradero de carbono en el subsuelo, junto con la reducción de emisiones, debe ser parte del plan para mitigar los efectos del cambio climático, y las geociencias deben desempeñar un papel central.

Photo of a corn field.
Posted inEditors' Highlights

Why Crop Yield Decreases at High Temperatures

by Alberto Montanari 29 July 202529 July 2025

Scientists find that water stress drives the connection between surface temperature and crop yield loss, providing information to help improve predictions of agricultural productivity under climate change.

A person wearing sunglasses uses a remote control to drive a chest-height, six-wheeled rover on dirt.
Posted inFeatures

Tanya Harrison: Roving on Mars

by Matthew R. Francis 28 July 202528 July 2025

This planetary geologist has worked on nearly every Mars rover while connecting government, universities, the private sector, and the public.

A group of people in the distance stand on a large gray rock outcrop with grooves carved by glaciers.
Posted inFeatures

Getting Schooled in Complex Earth System Modeling

by Stephanie Sherman, Terry Wilson, Rebekka Steffen, Holger Steffen and Andrew Lloyd 25 July 202524 July 2025

Training schools focused on modeling solid Earth responses to ice mass changes offer lessons on how early-career scientists can build professional networks and learn skills to solve complex problems.

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Features from AGU Publications

Research Spotlights

Understanding Flux, from the Wettest Ecosystems to the Driest

24 November 202524 November 2025
Editors' Highlights

Avoiding and Responding to Peak Groundwater

25 November 202525 November 2025
Editors' Vox

Echoes From the Past: How Land Reclamation Slowly Modifies Coastal Environments

19 November 202519 November 2025
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