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Health & Ecosystems

An underwater reef.
Posted inNews

As Seas Rise, Corals Can’t Keep Up

by Grace van Deelen 14 October 202514 October 2025

Coral reef growth rates in the tropical western Atlantic have slowed to a fraction of what they once were, erasing coastal protection benefits they once offered.

Research scientist Kelly Hondula gathers water samples from submarine groundwater discharge sites along the Hawaiian coast.
Posted inNews

Pinpointing Sewage Seeps in Hawaii

by Anna Napolitano 9 October 20259 October 2025

Cesspools and septic systems, as well as coastal development, put Hawaiian coastal waters at risk of contamination.

A trail leads through withered stalks of corn.
Posted inNews

How Might Leftover Corn Stalks Halt Fugitive Carbon?

Sarah Derouin, Science Writer by Sarah Derouin 8 October 20258 October 2025

Bio-oil made from plant waste could help limit carbon emissions from orphaned oil and gas wells. But would it help or hinder farmers’ bottom line?

Layers of beige-colored rock with a vertical band of darker-colored rock. A yellow notebook appears at the bottom of the image.
Posted inNews

Spiky Sand Features Can Reveal the Timing of Ancient Earthquakes

Katherine Kornei, Science Writer by Katherine Kornei 30 September 202530 September 2025

Icicle-shaped features known as sand dikes form during ground shaking. New work reveals how these features can be used to date long-ago earthquakes.

A beach in the Florida Keys
Posted inNews

Shallow Injection Imperfectly Filters Florida Wastewater

by Caroline Hasler 26 September 202526 September 2025

Injection of wastewater into shallow wells is meant to filter nutrients like nitrogen and phosphorus out of the wastewater. But a new study suggests that nutrients aren’t entirely eliminated—and may be polluting coastal waters.

Bison graze on green grass at Yellowstone National Park near a wire exclosure used to measure grasses.
Posted inNews

Free-Roaming Bison Graze Life into Grasslands

by Rebecca Owen 24 September 202524 September 2025

A new study suggests that Yellowstone’s herd of bison accelerates nutrient cycling, offering a glimpse into the North American plains of yesteryear.

Bird’s-eye view of kelp beds sprawling over blue ocean surface
Posted inNews

Marine Protected Areas Show Promise for Kelp Forest Recovery

by Amelia Macapia 23 September 202523 September 2025

Kelp forests are under increasing stress as oceans warm, but decades of satellite data have revealed the importance of maintaining fishing-restricted areas for climate resilience.

A shallow green-blue river with large brown-gray rocks.
Posted inResearch Spotlights

Droughts Sync Up as the Climate Changes

by Rebecca Owen 18 September 202518 September 2025

A new study reconstructs roughly 800 years of streamflow history in India’s major rivers, showing an increase in synchronous drought linked to anthropogenic climate change.

Drone image of beaver pond complex in Wyoming. A group of around five humans stands on a rock near the pond’s edge on a sunny day. Green wetland vegetation rings the open ponds of water, with beaver dams visible across the stream. Vegetation on either side of the stream is in drier conditions, visible by species and color of soil and plants.
Posted inNews

What Makes Beaver Ponds Bigger?

by Mack Baysinger 18 September 202518 September 2025

For the first time, researchers are able to add hydrologic estimates to find where reintroducing beavers could best benefit a watershed and the humans who live within it.

A view of Vatican City in Rome at sunset, from the far side of the Ponte Sant'Angelo. The Dome of the Basilica of Saint Peter can be seen to the right
Posted inNews

Climate Change May Have Killed 16,469 People in Europe This Summer

by Emily Gardner 17 September 202517 September 2025

Researchers warn that preventable heat-related deaths will continue to rise with continued fossil fuel emissions.

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Features from AGU Publications

Research Spotlights

Lab Setup Mimics Arctic Erosion

14 November 202514 November 2025
Editors' Highlights

Taking Carbon Science Out of Orbit

12 November 202512 November 2025
Editors' Vox

Announcing New AGU Journal Editors-in-Chief Starting in 2026

12 November 202513 November 2025
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