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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.

Posted inFeatures

Fushcia-Ann Hoover: The Business of Environmental Justice

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 24 August 20213 March 2025

EcoGreenQueen balances academia and entrepreneurship.

Photo of two corn hybrid species growing in a field. The adult hybrid plants at left are green, whereas the hybrid plants at right are yellow and dried.
Posted inNews

Index Suggests That Half of Nitrogen Applied to Crops Is Lost

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 23 August 202130 March 2023

Food production is becoming less efficient at using nitrogen fertilizer, according to a review of global values. Excess nitrogen damages the environment and the climate.

Aerial image of Madagascar.
Posted inNews

What Five Graphs from the U.N. Climate Report Reveal About Our Path to Halting Climate Change

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 9 August 202110 November 2021

The Intergovernmental Panel on Climate Change’s first assessment report since 2013 describes two illustrative scenarios that keep warming below 2°C—and several others that go wildly offtrack.

A photograph of a statue on Santorini
Posted inNews

In a Twist, a Greek Volcano Ruled by the Sea

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 2 August 202128 January 2022

Move over Hephaestus, Poseidon’s got this one.

Satellite image of a phytoplankton bloom on the ocean’s surface.
Posted inNews

Eddy Killing in the Ocean

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 29 July 202128 September 2021

Solving the case of ocean eddy death could help climate modelers better represent the effect of wind.

Four men at a dining table show surprise as a ball of lightning shoots in through a window.
Posted inNews

Have You Seen Ball Lightning? Scientists Want to Know About It

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 15 July 202119 October 2021

Reports of ghostly spheres of light are often too qualitative. These scientists want your detailed accounts.

Two U.S. Air Force planes fly over the ocean.
Posted inNews

Health Costs from Climate Soar To $820 Billion

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 28 May 20215 October 2021

Climate change and fossil fuel use are responsible for hiking up the price of health care beyond what the U.S. spends on defense.

Trees along Boston’s Commonwealth Avenue Mall display fall foliage
Posted inFeatures

The Surprising Root of the Massachusetts Fight Against Natural Gas

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 21 May 20215 November 2021

Tree lovers are hunting down the cause of arboreal deaths—and may remake the regional energy system in the process.

A close-up photograph of the eye of Hurricane Dorian.
Posted inNews

Your Summer Outlook: Cloudy with an Above-Normal Chance of Hurricanes

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 20 May 202128 April 2022

Get ready for another above-average hurricane season, but it likely won’t be as busy as last year.

Seventeenth century Reinier Nooms painting of ships
Posted inNews

Scientists Mine 16th Century Ship Logs for Geophysical Research

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 17 May 20214 October 2021

Compass measurements held a key to unlocking the mystery of Earth’s magnetic field and its changes over time. A historian-turned-geoscientist found the measurements in an unlikely place—merchant ship logs.

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Features from AGU Publications

Research Spotlights

Machine Learning Simulates 1,000 Years of Climate

27 August 202527 August 2025
Editors' Highlights

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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