Lamont-Doherty Earth Observatory49
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Staff Spotlight: Marian Mellin, Development Associate at Lamont-Doherty
She likes to go hiking during her lunch break and enjoys weekly Zoom calls with her sisters during the pandemic.
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Fossil Plants at Bottom of the Greenland Ice Sheet Warn of Future Melting
The discovery of fossil plants below a mile of Greenland ice indicates that the ice sheet completely melted in the past, and suggests it could rapidly do so again.
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The ‘Zealandia Switch’: Missing Link in Big Natural Climate Shifts?
Movements of winds in the Southern Hemisphere may be the key to waxing and waning of ice ages, says a new study.
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Chasing Gold, Geysers and Geothermal Power With Carolina Muñoz-Saez
The postdoctoral researcher studies hydrothermal systems and will soon go to the Chilean Andes to explore how geyser activity there may be related to glacier growth and retreat over thousands of years.
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Volcanoes May Have Large, Lasting Impacts on Global Precipitation
A new study employs natural climate archives such as tree rings to better understand volcanoes’ impacts on global rainfall patterns.
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A Climate Scientist Rides the (Rossby) Wave of Discovery
Mingfang Ting studies the connection between planetary waves in the atmosphere and climate anomalies, such as droughts and extreme heat.
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No Longer Just ‘Girl Talk’
Fifth graders commemorate pioneering mapmaker Marie Tharp using comics, pictures, and poems.
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Why International Women’s Day Is Still Relevant in 2021
Gender equality is an essential ingredient in building a fair and sustainable world. Today we’re publishing stories that honor the accomplishments of many of our women colleagues.
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Yes, These Flesh-Eating Algae Are Real. And They Like Their Prey Alive.
New research suggests that photosynthetic green algae also eat bacteria on a previously unsuspected scale.

AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More
