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Health & Ecosystems

A lake, seen from a rock on the shore, is mostly covered in ice but beginning to melt. The melting water is purple. On the other side of the lake, a rocky cliffside with evergreen trees is visible beneath a blue sky.
Posted inResearch Spotlights

How the Spring Thaw Influences Arsenic Levels in Lakes

by Saima May Sidik 6 February 20266 February 2026

Four lakes near Yellowknife, Canada, show that there’s no one-size-fits-all answer.

Two people wearing purple latex gloves stand in a field where the grass is up to their waists. One steps on a shovel to push it into the ground, and the other holds an orange bucket.
Posted inNews

Nationwide Soil Microbiome Mapping Project Connects Students and Scientists

by Rebecca Owen 3 February 20263 February 2026

Researchers and students are building a comprehensive picture of the microbial life beneath our feet.

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 20262 February 2026

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

The U.S. Capitol Building in a winter snowstorm
Posted inResearch & Developments

Partial Shutdown Over DHS Funding Ensnares Education, Health

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 31 January 202613 February 2026

The U.S. government entered a partial shutdown Saturday at 12:01 Eastern after the Senate failed to resolve a showdown over funding for DHS and restrictions on ICE.

A bird stands next to plastic bottles and bags on a rocky beach.
Posted inFeatures

Pollution Is Rampant. We Might As Well Make Use of It.

by Saima May Sidik 30 January 202630 January 2026

Human-made substances hold dangers for the environment, but they also give scientists a view into recent history.

An American alligator surfaces in shallow bayou water in Louisiana.
Posted inNews

Alligators May Boost Carbon Storage in Coastal Wetlands

by Emil Siekkinen 29 January 20262 February 2026

Research suggests that American alligators help coastal wetlands retain more carbon, linking predator recovery in the southeastern United States to ecosystem function and climate processes.

A city skyline with smog hanging over it
Posted inResearch Spotlights

Which Countries Are Paying the Highest Price for Particulate Air Pollution?

by Nathaniel Scharping 28 January 202628 January 2026

Reducing the effects of air pollution requires estimations of where it costs the most—in both money and lives.

A large gray plume of wildfire smoke rises above a mountain range.
Posted inNews

Wildfire Smoke Linked to 17,000 Strokes Annually in the United States

by Emily Gardner 27 January 202627 January 2026

A study of 25 million Medicare participants adds to a body of evidence suggesting that prolonged exposure to wildfire smoke is more harmful to human health than other forms of air pollution.

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.

Two white egrets stand out against a backdrop of green foliage as they stand on the edge of a wetland. They sky above is cloudy.
Posted inNews

Why Are River Deltas Disappearing? They’re Sinking Faster Than Many People Realize

by Elise Plunk 21 January 202621 January 2026

It’s not just that sea levels are rising. Scientists believe fossil fuel extraction and river engineering are also factors behind coastline disappearance.

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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

Global Observations Reveal Rapid Reorganization of Ocean Nutrients

12 March 202612 March 2026
Editors' Highlights

Opening a Treasure Trove: A Trip to the Historic Archives of Venus

13 March 202612 March 2026
Editors' Vox

Introducing the New EIC of Paleoceanography and Paleoclimatology

12 March 202612 March 2026
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