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Jenessa Duncombe, Staff Writer

Jenessa Duncombe

Jenessa Duncombe, a News and Features Writer for Eos, joined the team in 2018. She graduated with her master’s degree in physical oceanography from Oregon State University in 2017 and subsequently worked as a freelance writer on research ships. Jenessa first interned with Eos, became the team’s first fellow in May 2019, and joined the staff permanently in March 2020.

Adult taking temperature of child
Posted inNews

Climate Change Will Make Us Sicker and Lose Work Hours

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 18 November 20191 March 2023

Experts have given the United States a warning: Reduce greenhouse gas emissions, or suffer the consequences of lower productivity and a sicker population for generations to come.

Aerial images of Breiðamerkurjökull glacial tongue taken in 1989 (top) and 2019 (bottom)
Posted inNews

Drones Capture Iceland’s Shrinking Glaciers

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 8 November 201911 January 2022

Photographs of Iceland’s southern glaciers show pools of water where walls of ice once stood.

deforestation in Paraguay
Posted inNews

We Have Broken Nature into More Than 990,000 Little Pieces

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 5 November 201918 October 2021

Habitat fragmentation is splintering undeveloped areas on Earth.

A puddle of oil lays on sand on a beach
Posted inNews

Brazil’s Oil Spill Is a Mystery, so Scientists Try Oil Forensics

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 24 October 201930 January 2024

Thousands of barrels of oil have been tarring Brazil’s beaches since September, and no one knows why. An oil spill scientist is running oil forensics to find out.

A collapsed portion of freeway after the Loma Prieta earthquake
Posted inNews

California Launches Nation’s First Earthquake Early Warning System

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 24 October 20196 October 2021

The country’s first publicly available, statewide warning system could give California residents crucial seconds to duck and cover before a quake.

Aerial images of Argentière glacier taken in 1919 and 2019
Posted inNews

Europe’s Mightiest Glaciers Are Melting

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 21 October 201928 July 2022

Here’s what a century of ice melt looks like on the Alps’ highest peak.

Digital elevation map of canals at ancient Maya site Belize
Posted inNews

Ancient Maya Farms Revealed by Laser Scanning

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 7 October 20193 November 2021

One agricultural network was 5 times larger than earlier estimates, and the fields may be an early source of human-caused greenhouse gas emissions.

A global map of ocean temperature during the 2016 El Niño event
Posted inNews

Artificial Intelligence May Help Predict El Niño

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 25 September 20195 July 2022

Deep learning techniques give scientists the longest–lead time forecasts yet.

Vermont senator Bernie Sanders speaks at Georgetown University’s Climate Forum.
Posted inNews

Young Voters Express Frustration and Hope at MSNBC’s Climate Forum

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 20 September 201921 March 2023

The majority of young voters believe humans have caused climate change. Who will win their vote?

Salmon fillet and vegetables
Posted inNews

Climate Change Is Coming for Our Fish Dinners

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 17 September 201918 March 2022

Your fish fillet may have less omega-3 fatty acids, an important nutrient for brain health, by the end of the century.

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As Simple as Possible: The Importance of Idealized Climate Models

28 August 202526 August 2025
Editors' Vox

Waterworks on Tree Stems: The Wonders of Stemflow

21 August 202520 August 2025
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