• About
  • Sections
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos
  • AGU.org
  • Career Center
  • Join AGU
  • Give to AGU
  • About
  • Sections
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos
Skip to content
  • AGU.org
  • Career Center
  • Join AGU
  • Give to AGU
Eos

Eos

Science News by AGU

Support Eos
Sign Up for Newsletter
  • About
  • Sections
  • Topics
    • Climate
    • Earth Science
    • Oceans
    • Space & Planets
    • Health & Ecosystems
    • Culture & Policy
    • Education & Careers
    • Opinions
  • Projects
    • ENGAGE
    • Editors’ Highlights
    • Editors’ Vox
    • Eos en Español
    • Eos 简体中文版
    • Print Archive
  • Blogs
    • Research & Developments
    • The Landslide Blog
  • Newsletter
  • Submit to Eos
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.

A row of men walk across a desert landscape toward billowing pillars of smoke.
Posted inResearch Spotlights

The Goldilocks Conditions for Wildfires

Sarah Derouin, Science Writer by Sarah Derouin 9 June 20259 June 2025

Twenty years of data from around the world show that areas that are not too dry and not too wet are most conducive to wildfire burning.

A satellite image showing dark green tropical forest in Mato Grosso, Brazil, with blocky areas that have been deforested. The light green patches are now cattle ranches, while the yellow-brown areas are exposed soil. There are also dots of small clouds over the area.
Posted inResearch Spotlights

Deforestation Is Reducing Rainfall in the Amazon

Sarah Derouin, Science Writer by Sarah Derouin 19 May 202519 May 2025

Researchers found that between 2002 and 2015, a 3.2% reduction in Brazilian forest cover led to a 5.4% reduction in precipitation levels.

意大利一个干涸的、多边形的湖盆展现了 2017 年的干旱状况。
Posted inResearch Spotlights

气候变暖正在改变欧亚大陆的干旱状况

Sarah Derouin, Science Writer by Sarah Derouin 15 May 202515 May 2025

研究人员利用树木年轮记录重建水文气候模式,并找出干旱的驱动因素。

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 202515 May 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.

Posts pagination

1 2 3 … 13 Older posts
A view of a Washington, D.C., skyline from the Potomac River at night. The Lincoln Memorial (at left) and the Washington Monument (at right) are lit against a purple sky. Over the water of the Potomac appear the text “#AGU24 coverage from Eos.”

Features from AGU Publications

Research Spotlights

What’s Changed—and What Hasn’t—Since the EPA’s Endangerment Finding

24 June 202524 June 2025
Editors' Highlights

Coupled Isotopes Reveal Sedimentary Sources of Rare Metal Granites

17 June 202516 June 2025
Editors' Vox

Inside Volcanic Clouds: Where Tephra Goes and Why It Matters

16 June 202512 June 2025
Eos logo at left; AGU logo at right

About Eos
ENGAGE
Awards
Contact

Advertise
Submit
Career Center
Sitemap

© 2025 American Geophysical Union. All rights reserved Powered by Newspack