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Climate Change

A healthy section of reef that exhibits branching and nonbranching corals of many sizes and colors. Many fish swim near the reef.
Posted inNews

Coral Diversity Drops as Ocean Acidifies

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 2 February 20261 June 2026

As seawater becomes steadily more acidic, complex branching corals die off and are replaced with hard boulder corals and algae.

A black-and-white image shows the ends of dozens of soil cores, stored in a wall. A few of the slots are empty.
Posted inNews

How the Rise of a Salty Blob Led to the Fall of the Last Ice Age

by Emily Gardner 2 February 20262 March 2026

Scientists have long suspected that high salinity levels in the deep ocean were responsible for keeping carbon dioxide locked away during the last ice age. New research finds the strongest evidence yet.

A wave crashes onto a dark, rocky shore. Green rolling hills are in the distance.
Posted inResearch Spotlights

Our Ocean’s “Natural Antacids” Act Faster Than We Thought

Sarah Stanley, Science Writer by Sarah Stanley 30 January 202630 January 2026

New evidence from New Zealand suggests that calcium carbonate dissolution occurs not just over millennial timescales, but over annual and decadal ones too.

An abandoned greenhouse with mostly peeled-off paint is open to the grassy fields around it. Grass and orange wildflowers grow inside, and pine trees are visible in the background.
Posted inNews

As Some Soils Warm, Microbes Stockpile Essential Nutrients

Javier Barbuzano, Science Writer by Javier Barbuzano 28 January 202628 January 2026

A study in Iceland found that microbes are hoarding more nitrogen for themselves, altering nutrient cycling and leaving less for plants.

Underwater photo of pink coral.
Posted inEditors' Highlights

Coastal Coralline Algae Naturally Survive Persistent, Extreme Low pH

by Xiaojuan Feng 22 January 202622 January 2026

Time-series monitoring shows that a coastal coralline algae reef is naturally exposed to extreme low pH levels, suggesting potential adaptation of this biodiverse habitat to future ocean acidification.

A dry lakebed with dead trees under a sunny sky.
Posted inResearch & Developments

We Are “Living Beyond Our Hydrological Means,” UN Report Warns

by Grace van Deelen 20 January 202620 January 2026

Humanity has overspent and depleted freshwater in the world’s aquifers, glaciers, wetlands, and other natural reservoirs to an irreversible degree, according to a new United Nations report.

Vientos fríos soplan sobre el glaciar Tsanteleina en Italia.
Posted inNews

Los glaciares se están calentando más lentamente de lo esperado, pero no por mucho tiempo

by Kaja Šeruga 20 January 202620 January 2026

Un conjunto de datos sin precedentes ofrece información sobre el efecto de enfriamiento contraintuitivo de los glaciares a escala global.

Photo of a crop field with mountains in the background.
Posted inEditors' Highlights

How Satellite Data Helped Avoid Hunger from Drought

Eric Davidson, president-elect of AGU by Eric Davidson 20 January 202620 January 2026

Satellites detecting anomalies of the spectral reflectance of crops in Uganda successfully foretold imminent crop failure and automatically triggered timely governmental disaster relief.

Diagram
Posted inEditors' Vox

Bridging the Gap: Transforming Reliable Climate Data into Climate Policy

by Jean-Philippe Montillet, Graziella Caprarelli, Gaël Kermarrec, CK Shum, Ehsan Forootan, Jan Sedlacek, Elizabeth Weatherhead, Orhan Akyilmaz, Wolfgang Finsterle, Yu Zhang, Enrico Camporeale and Kelly Caylor 16 January 202616 January 2026

A new special collection welcomes research that bridges the gap between rigorous Essential Climate Variable (ECV) monitoring, AI analytics, and climate policy.

President Donald Trump signs a document at a desk. Four men in suits stand behind him, while a group of people wearing yellow reflective jackets can be seen in the background.
Posted inReport

The State of the Science 1 Year On: Climate Change and Energy

by AGU 15 January 202615 January 2026

Trump’s first year in office has reversed many climate policy decisions and aggressively advanced fossil fuel interests.

Posts pagination

Newer posts 1 … 6 7 8 9 10 … 260 Older posts
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

The Speedy Particles That Could Help Us Learn More About Uranus

18 June 202618 June 2026
Editors' Highlights

Where Methane is Emitted Matters for Global Burden

18 June 202616 June 2026
Editors' Vox

Small-Scale Indian Ocean Dynamics Underpin Marine Ecology and Climate

4 June 20263 June 2026
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