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Sarah Derouin, Science Writer

Sarah Derouin

Sarah Derouin is a freelance science journalist and editor who has been writing for Eos since 2017. She has a doctorate in geology from the University of Cincinnati and is a graduate of the Science Communication Program at University of California, Santa Cruz. Sarah has written for New Scientist, Scientific American, Popular Mechanics, Science, EARTH Magazine, and Mongabay. She was the 2018–19 Science Communication Fellow for the Geological Society of America and attended Congressional Climate Science Days. Beyond writing, Sarah was an acting associate editor for EARTH Magazine. She also worked behind the scenes as an assistant producer on Big Picture Science radio show, broadcast on more than 140 public radio stations. You can find more of her work at www.sarahderouin.com or connect with her on Twitter @Sarah_Derouin.

Thick rain clouds float over the top of the snowcapped Himalayas.
Posted inResearch Spotlights

Carbon Dioxide’s Effect on Mountain Climate Systems

Sarah Derouin, Science Writer by Sarah Derouin 7 November 20238 November 2023

Greenhouse gases are rising in the atmosphere. But how will precipitation patterns change as climate systems rise over mountain chains?

Thick, yellow-tinted smoke rises from a fire burning trees on a hillside beyond a couple of structures and a fire truck.
Posted inResearch Spotlights

How Wildfires and Weather Affect Portugal’s Public Health

Sarah Derouin, Science Writer by Sarah Derouin 12 October 20237 November 2024

Researchers dug into data to examine the effects of wildfires, pollutants, and meteorological factors on mortality and cardiovascular health in the Iberian country.

Photo of buildings emitting smoke taken from above
Posted inNews

How You Make Money Matters When It Comes to Carbon Emissions

Sarah Derouin, Science Writer by Sarah Derouin 10 October 202310 October 2023

Investment income is associated with more carbon emissions in the United States.

Black-and-white oblique view of an ancient delta on Mars’s surface taken by a satellite
Posted inResearch Spotlights

Optimizing Carbonate Classification on Mars

Sarah Derouin, Science Writer by Sarah Derouin 7 September 20237 September 2023

Combining data from several of the Perseverance rover’s spectroscopic sensors offers a more accurate means to classify carbonate minerals that may hold hints of ancient life.

The bright Sun sits just over the horizon under a clear sky, silhouetting two tall cacti in the foreground.
Posted inResearch Spotlights

When It’s Too Hot for Fans

Sarah Derouin, Science Writer by Sarah Derouin 28 August 202328 August 2023

Electric fans keep vulnerable people cool in a warming world. But new research shows there are increasing numbers of hours when—and places where—using fans may be dangerous.

A beaver dam made of numerous small branches sits in a small pond, with mountains in the distance.
Posted inResearch Spotlights

Mapping Beaver Dams with Machine Learning

Sarah Derouin, Science Writer by Sarah Derouin 15 June 202315 June 2023

A new model deploys a neural network to spot beavers’ engineering exploits in aerial and satellite imagery, an approach that should aid studies of ecosystem and landscape change.

Hollywood road sign hangs above cars along Highway 101. In the distance is the smog-filled skyline of Los Angeles.
Posted inResearch Spotlights

Fine-Tuning Air Pollution Models

Sarah Derouin, Science Writer by Sarah Derouin 19 May 202322 June 2023

InMAP estimates air pollution within cities, but its predictions are flawed for specific chemicals. Now, scientists are addressing that shortcoming.

A person in shadow stands next to a mountain hemlock tree at Crater Lake, twisting a long coring instrument into the tree.
Posted inNews

In the Pacific Northwest, 2021 Was the Hottest Year in a Millennium

Sarah Derouin, Science Writer by Sarah Derouin 2 May 202319 May 2023

A 1,000-year temperature record shows unprecedented warming in the Pacific Northwest, and new modeling predicts the likelihood of future heat waves in the decades to come.

An interconnected network of bluish-gray ponds cuts through green wetlands. Larger lakes loom in the background.
Posted inResearch Spotlights

Neural Networks Map the Ebb and Flow of Tiny Ponds

Sarah Derouin, Science Writer by Sarah Derouin 13 April 202313 April 2023

Ponds play an outsized role in carbon emissions, but their size makes them hard to track. Enter machine learning.

Imagen de nieve marina, el material orgánico que se hunde desde las aguas superficiales hasta la profundidad del océano.
Posted inResearch Spotlights

La estacionalidad del ciclo del carbono oceánico

Sarah Derouin, Science Writer by Sarah Derouin 3 April 2023

Un grupo de científicos investigaron el impacto de los cambios estacionales en la cantidad y velocidad del carbono que viaja desde la superficie al océano profundo.

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4 November 20253 November 2025
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Publishing Participatory Science: The Community Science Exchange

20 October 202517 October 2025
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