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Grace van Deelen

Grace van Deelen, joined Eos in 2023 as a staff writer. She covers all things Earth science and is particularly interested in stories that highlight the intersection of society, the environment, and equity in science. Grace holds a master’s degree from MIT’s Graduate Program in Science Writing and bachelor’s degrees in biology and anthropology from Tufts University.

An array of solar panels on a field under a blue sky.
Posted inResearch & Developments

Why the IPCC Seems Poised to Eliminate Its Most Extreme Emissions Scenario

by Grace van Deelen 19 May 202619 May 2026

The Intergovernmental Panel on Climate Change (IPCC), the United Nations body whose mission is to “provide governments at all levels with scientific information that they can use to develop climate policies” will likely update the emissions and land use scenarios used in the models it considers in its bellwether assessment reports.

Debris, including downed trees and building materials, in a valley below a mountain.
Posted inNews

A New Approach Can Better Predict Debris Flow Hazards Years After Fires

by Grace van Deelen 19 May 202619 May 2026

USGS hazard maps don’t always reflect real landslide risk in the years after wildfires. Fine-tuning assessments of vegetation recovery could help.

A wildfire on a hillside burns at night.
Posted inResearch & Developments

2026 Has Already Broken Climate Records. El Niño Could Break More.

by Grace van Deelen 12 May 202611 May 2026

As the midpoint of the year approaches, several climate records have already been broken. Arctic winter sea ice extent reached a record low. Several countries saw record-breaking winter heat waves. And more than 150 million acres have already burned globally in wildfires.

A wildfire burns in a forest at night.
Posted inNews

Most of the U.S. West Will Face Above-Normal Wildfire Risk This Summer

by Grace van Deelen 11 May 202611 May 2026

The National Interagency Fire Center predicts elevated wildfire potential across much of the West and many Southeast states through August.

Industrial facilities cover a small island, with gray-blue water in the foreground.
Posted inNews

This Arctic Atlas Shows Where Oil and Gas Activities Overlap with Wildlife and Indigenous Communities

by Grace van Deelen 7 May 20267 May 2026

To slow climate change, the world must keep its fossil fuels in the ground. New maps of Arctic activities show where resources should stay put.

A large fjord with rocky, snow-covered mountains in the background
Posted inFeatures

Chemical Companies Are Churning Out New PFAS. Where in the World Are They Ending Up?

by Grace van Deelen 30 April 20261 May 2026

Bans on older versions of “forever chemicals” seem to be working. But emerging variants behave in ways that scientists are only beginning to pin down.

A foggy mountain scene at sunset. In the right-hand corner, a railroad leading to a small building can be seen.
Posted inNews

As the Coal Industry Fades, Life Expectancies in Coal Country Shift

by Grace van Deelen 30 April 202630 April 2026

Coal mining brings a slew of risks to communities, but “being employed is good for your health.”

An aerial view of the Southern Ocean and coastline of Antarctica, which is a brown landmass mostly covered in snow
Posted inNews

Widening Channels and Westerly Winds Together Formed Earth’s Strongest Current

by Grace van Deelen 24 April 20261 May 2026

The Antarctic Circumpolar Current could only develop once wind patterns aligned with new ocean passages 34 million years ago, a new study suggests.

An aerial photo shows a snow- and ice-covered mountain range.
Posted inNews

As Ice Recedes and Land Rebounds, Antarctica’s Mineral Resources Come into Focus

by Grace van Deelen 30 March 202614 April 2026

Melting ice, rebounding land, and rising seas will change what resources are available in Antarctica, a new analysis finds.

Two people on the deck of a large ship look over the edge of the ship at large chunks of floating ice.
Posted inResearch & Developments

Arctic Winter Sea Ice Hits a Record Low, Again

by Grace van Deelen 27 March 202627 March 2026

Sea ice in the Arctic has likely hit its maximum extent for the year, the National Snow and Ice Data Center (NSIDC) said on 26 March. That maximum extent is one of the lowest ever recorded, tying last year’s record for the least sea ice coverage in the 48-year observational record.

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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

Forty Thousand Cubic Meters of Fresh Water Flow from the Congo into the Atlantic Every Second. A New Study Traces Where It Goes from There.

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Editors' Highlights

Fluid-Driven Reactions Restore Fault Strength Between Earthquakes

30 June 202630 June 2026
Editors' Vox

Small-Scale Indian Ocean Dynamics Underpin Marine Ecology and Climate

4 June 20263 June 2026
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