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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.

Seven people pose for a photo on an icy field with a mountain in the background on a sunny day. The man in the middle gives a thumbs-up.
Posted inNews

These South Pole Seismometers Will Detect Vibrations 1.5 Miles Under the Ice

by Grace van Deelen 23 February 202623 February 2026

The instruments will freeze into Antarctica’s ice sheet, where they will collect detailed, global-scale seismic data.

Posted inResearch & Developments

Power Plants Will Be Allowed to Release More Than Twice As Much Mercury Into the Air

by Grace van Deelen 20 February 202620 February 2026

At a 20 February event in Kentucky, the Trump administration announced plans to loosen pollution restrictions for coal-burning power plants, including limits on emissions of mercury, a hazardous neurotoxin.

The setting Sun over a mountainous landscape colors the sky in shades of orange.
Posted inNews

Earth’s Climate May Go from Greenhouse to Hothouse

by Grace van Deelen 11 February 202611 February 2026

Uncertainty in climate models could mean Earth systems are perilously close to their tipping points, scientists warn.

The United States White House on a cloudy, snowy day.
Posted inResearch & Developments

The Endangerment Finding Is Lost

by Grace van Deelen 11 February 202617 February 2026

Tomorrow, the EPA will revoke the 2009 Endangerment Finding, finalizing a July proposal to do so, Press Secretary Karoline Leavitt said in a 10 February announcement.

The back deck of a boat as it moves through the ocean.
Posted inNews

The AMOC of the Ice Age Was Warmer Than Once Thought

by Grace van Deelen 10 February 202610 February 2026

An analysis of sediment cores indicates that North Atlantic waters were relatively warm and continued to circulate even under major climate stress during the Last Glacial Maximum.

A collection of moss, algae, and rocks at the edge of a water body.
Posted inNews

Rocks Formed by Microbes Absorb Carbon Day and Night

by Grace van Deelen 27 January 202627 January 2026

Microbialite ecosystems in South Africa stored an “astonishing” amount of carbon, according to new research.

An underwater photograph shows a seafloor scattered with potato-sized rocks. An oblong, blue sea creature also rests on the seafloor.
Posted inResearch & Developments

Trump Administration to Speed Up Permitting for Deep Sea Mining, Even Beyond U.S. Boundaries

by Grace van Deelen 21 January 202621 January 2026

NOAA has finalized a rule that will expedite the permit and license application process for deep seabed mining and allow companies to mine beyond U.S. jurisdictional boundaries.

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.

A black, tar-covered glass bottle lies on a beach.
Posted inNews

Plastic Debris Helps Oil Residues Reach Farther Across the Ocean

by Grace van Deelen 20 January 202620 January 2026

Scientists matched oil residues found in Florida to a Brazilian spill thousands of miles away.

A bright yellow sun in an orange sky over hazy mountains.
Posted inNews

The Past 3 Years Have Been the Three Hottest on Record

by Grace van Deelen 14 January 202614 January 2026

Extreme heat in 2023, 2024, and 2025 indicates a warming spike, a new analysis finds.

Posts pagination

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

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