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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.

The Taj Mahal is cloaked in a haze of pollution, making the edges of buildings and vegetation blurry.
Posted inResearch Spotlights

Heat and Pollution Events Are Deadly, Especially in the Global South

Sarah Derouin, Science Writer by Sarah Derouin 14 May 202514 May 2025

Researchers found that the combination of heat waves and high PM2.5 pollution led to nearly 700,000 premature deaths in the past 30 years—most of which occurred in the Global South.

A dirt road curves into the distance. On either side are trees and brush.
Posted inResearch Spotlights

Flood Prediction Could Boost Road Resilience off Georgia’s Coast

Sarah Derouin, Science Writer by Sarah Derouin 2 May 20252 May 2025

Researchers and community members worked together to develop recommendations for how Little Cumberland Island can mitigate flooding hazards.

A river surrounded by lush green vegetation is seen from about the height of a tree.
Posted inResearch Spotlights

Seeping Groundwater Can Be a Hidden Source of Greenhouse Gases

Sarah Derouin, Science Writer by Sarah Derouin 28 March 202528 March 2025

A new study in the Farmington River watershed shows that groundwater seeps can release 20% of dissolved emissions into the atmosphere before the water joins streams.

An aerial view of flooding near Bismark, N.D., showing streets, yards, and farmland all underwater.
Posted inResearch Spotlights

What Is Causing the Missouri River Basin’s Elevated Streamflow?

Sarah Derouin, Science Writer by Sarah Derouin 18 March 202518 March 2025

Regional climate variability plays a big role, but reduced forest cover and a rise in atmospheric carbon dioxide are also factors.

A colorized image of a virus as seen under a microscope, with purple and green in the background and long orange lines dotted with yellow specks.
Posted inResearch Spotlights

The Interplay of ENSO and Immunity in Infectious Disease Outbreaks

Sarah Derouin, Science Writer by Sarah Derouin 7 March 20257 March 2025

El Niño and La Niña events can affect the spread of infectious diseases including cholera and dengue fever. The effects of some diseases may persist over several years.

A cracked, polygonal, dried lake basin in Italy shows what the drought conditions were like in 2017.
Posted inResearch Spotlights

A Warming Climate Is Shifting Eurasian Drought Conditions

Sarah Derouin, Science Writer by Sarah Derouin 24 February 202524 February 2025

Researchers use tree ring records to help reconstruct hydroclimate patterns and isolate drivers of drought.

Two mountains beneath a blue sky with clouds are reflected into the body of water beneath them.
Posted inResearch Spotlights

Thawing Permafrost Helped Trigger Ancient Icelandic Landslides

Sarah Derouin, Science Writer by Sarah Derouin 22 January 202522 January 2025

New research shows that warming beginning about 13,000 years ago contributed to a proliferation of landslides in Iceland.

A 13th century artist’s depiction of an eclipse
Posted inResearch Spotlights

Core Movements Could Be Causing Tiny Shifts in Earth’s Spin Speed

Sarah Derouin, Science Writer by Sarah Derouin 9 December 20249 December 2024

Researchers use ancient eclipse data and new machine learning techniques to understand what processes changed the length of Earth’s days over the past 3,000 years.

A group of pump wells clustered in an open area on Bureau of Land Management land in California
Posted inResearch Spotlights

Oil, Gas, and COVID-19

Sarah Derouin, Science Writer by Sarah Derouin 19 November 202419 November 2024

Early in the pandemic, people living near oil and gas wells experienced higher rates of COVID-19 and related mortality compared with those with no exposure to well pollution.

A lone saguaro cactus is outlined by a rising Sun.
Posted inResearch Spotlights

Helping the Most Vulnerable Stay Cool in Extreme Heat

Sarah Derouin, Science Writer by Sarah Derouin 5 November 20245 November 2024

Choosing the ideal location for air-conditioned cooling centers in cities facing dangerously high temperatures takes good population data and community engagement.

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Features from AGU Publications

Research Spotlights

Heat and Pollution Events Are Deadly, Especially in the Global South

14 May 202514 May 2025
Editors' Highlights

Resilient Solutions Involve Input and Data from the Community

14 May 202514 May 2025
Editors' Vox

Decoding Crop Evapotranspiration

6 May 20256 May 2025
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