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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 aerial photo shows a green landscape with a large rock formation in the distance at sunset.
Posted inNews

These Underprotected Brazilian Wetlands Store Carbon with Staggering Density

by Grace van Deelen 12 March 202612 March 2026

The Cerrado, largely overlooked in climate science and policy, is a critical carbon sink, according to new research.

A crowd gathers in front of a gazebo at a rally. Signs held by rally-goers read “Vote for science, vaccines save lives” and “Science works.”
Posted inNews

Thousands Rally to Support the Need for Science in a Democracy

by Grace van Deelen 7 March 20267 March 2026

Dozens of Stand Up for Science gatherings nationwide focused on the importance of science for federal policymaking.

A satellite image shows the edge of an Antarctic ice sheet meeting a frozen ocean.
Posted inResearch & Developments

Antarctic Ice Sheet Has Lost a Connecticut-Sized Amount of Ice Over the Past 30 Years

by Grace van Deelen 2 March 20262 March 2026

A new study of Antarctica has found that since 1996, its ice sheet has lost 12,820 square kilometers (nearly 5,000 square miles) of ice—nearly enough to cover the state of Connecticut, or 10 cities the size of Greater Los Angeles.

Posted inResearch & Developments

After Restructuring, NSF Wants to Hire More Staff but Reduce Solicitations

by Grace van Deelen 26 February 202626 February 2026

After large reductions in staffing last year, the National Science Foundation (NSF) is now seeking to hire more employees.

A half-underwater image shows the leaves (above the water) and roots (underwater) of mangrove plants.
Posted inNews

With the Ocean Included, the Social Cost of Carbon Doubles

by Grace van Deelen 25 February 202625 February 2026

A new calculation includes ocean ecosystems when assessing the monetary impact of climate change.

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.

Posts pagination

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