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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.

A street sign halfway submerged in floodwaters.
Posted inResearch & Developments

5,500 Toxic Sites in the U.S. at Risk of Flooding as Seas Rise

by Grace van Deelen 20 November 202526 November 2025

Rising sea levels have put thousands of facilities containing hazardous materials at risk of flooding this century, according to a new study published in Nature Communications. 

A banner with leaves and flowers and the text "COP30 BRASIL AMAZONIA BELÉM 2025."
Posted inResearch & Developments

Global Methane Emissions Projected to Fall, According to United Nations Report

by Grace van Deelen 17 November 202517 November 2025

The world has made significant progress on methane mitigation since 2020, though meeting the goals of a major international pledge will require additional action, according to a United Nations Environment Programme (UNEP) report.

Five expedition team members climb an icy surface.
Posted inNews

Pamir Glacier Expedition Returns with High-Elevation Ice Cores

by Grace van Deelen 17 November 202517 November 2025

The three glacial cores will unlock mysteries about past climate and weather patterns in central Asia.

An image of Earth from the International Space Station shows clouds floating over the ocean, with the darkness of space in the background.
Posted inNews

Earth System Engineers Take Planetary Alterations to Extreme Scales

by Grace van Deelen 29 October 202529 October 2025

A new framework argues Earth scientists should employ the concept of ecosystem engineering across geologic time and space.

An image shows green terraces and ponds at a farm on a hill.
Posted inResearch & Developments

Developing Nations Need 12 Times More Financing to Meet Climate Adaptation Needs

by Grace van Deelen 29 October 202529 October 2025

An annual United Nations report, published 29 October, reveals a “yawning gap” between existing and necessary climate adaptation finance, a gap “putting lives, livelihoods, and entire economies at risk.”

Two men install a weather station mounted on a tall metal pole.
Posted inFeatures

Building Better Weather Networks

by Grace van Deelen 27 October 202513 November 2025

A lack of weather data often leaves African communities vulnerable. Convergent efforts to improve observational networks throughout the continent are slowly filling the gaps.

Silhouettes of people in lavender and periwinkle stand, some overlapping, on a aubergine-colored background. Overlying the image at the bottom is the text “R&D Research and Developments.”
Posted inResearch & Developments

Universities Reject Trump Funding Deal

by Grace van Deelen 17 October 202521 October 2025

The “Compact for Academic Excellence in Higher Education,” developed by the Trump administration and sent to nine universities, proposes that the institutions agree to a series of criteria in exchange for preferential treatment in funding decisions.

An underwater reef.
Posted inNews

As Seas Rise, Corals Can’t Keep Up

by Grace van Deelen 14 October 20251 January 2026

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.

The U.S. Capitol building on a cloudy day.
Posted inResearch & Developments

Science Agencies Shuttered in Government Shutdown

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Grace van Deelen and Kimberly M. S. Cartier 1 October 20251 October 2025

At 12:01 a.m. this morning, the U.S. federal government shut down. This shutdown comes after weeks of negotiations and pressure tactics failed to bring Congressional Republicans and Democrats together on a budget for the 2026 fiscal year or a continuing resolution to fund the government for a few more weeks.

Dried crops against a blue sky.
Posted inResearch & Developments

Climate Change Could Slash Global GDP 24% By 2100

by Grace van Deelen 24 September 202525 September 2025

Unchecked greenhouse gas emissions could cause the world’s income to fall by nearly a quarter within the century, projects a new study published in PLOS Climate.

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