Earth Sciences9
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Study Reveals Long-Distance Levers Behind U.S. Southwest Drought—and a Dry Future
The U.S. Southwest has suffered a historic drought over the past two decades. A new study elucidates the drivers, and says conditions will never return to those of the relatively wet 20th century.
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The Cyclones She Experienced as a Child Led to a Career in Hurricane Risk
Atmospheric physicist Chia-Ying Lee is working to improve our understanding of how tropical cyclones will evolve in the future.
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Why Care About the Polar Regions? These Polar Climate Ambassadors Will Tell You.
The polar regions are a critical aspect of the climate crisis, but polar science is not always accessible, especially to young students. The Polar Climate Ambassadors program seeks to help close this gap.
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Research Links Climate Change to Lazier Jet Stream, Leading to Extreme Weather
A new study links climate change to increasing stalling of the jet stream, but also highlights uncertainties in climate models.
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The Fire This Time: Facing the Reality of Climate Change
While our short-term response to extreme weather must remain on adaptation, in the long run, we need to understand the reality of the warmer planet we live on and work to mitigate climate change.
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California Quake Faults Are Highly Sensitive to Solid Earth Tides, Say Scientists
Oceans have tides, and so does the solid earth. Could they have an effect on earthquake faults? Yes, say scientists, but that doesn’t necessarily mean they cause big quakes.
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Upcoming Scientific Fieldwork, 2023 and Beyond
Climate School researchers are carrying out fieldwork on every continent and every ocean. A guide to upcoming projects.
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Vikings Abandoned Greenland Centuries Ago in Face of Rising Seas, Says New Study
Counterintuitively, seas were rising around Greenland as it went through a cold period centuries ago. This helped drive out Viking colonists, says new research.
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Vetlesen Prize Ceremony Honors Two Distinguished Researchers in Earth Sciences
A celebration held at Columbia University recognized scientists Anny Cazenave and David Kohlstedt as the 2020 and 2023 Vetlesen Prize recipients.
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
