climate science27
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Tracing the Arctic
The land surrounding the Arctic Ocean is like a set of cradling arms, holding the ocean and the sea ice in a circular grasp. Within that cradle is a unique mix of waters, including freshwater from melting glacial ice and large rivers, and a salty mix of relatively warm Atlantic water and the cooler Pacific…
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The Extreme Pacific Climate Now
The climate over the tropical Pacific is in an extreme state at the moment. That explains some of the extreme anomalies affecting the United States right now. It also gives us a window through which we can glimpse how even more dramatic and long-term climates of the distant past might have worked.
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Hurricane Histories and Carbon Mysteries
The Bahamas might be a vacation destination for most people. But for us, they represent an excellent site to study several different questions about past, present and future climates.
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Forecast Sees a Stronger El Niño
El Niño is back, and it looks like it will be getting stronger. While it’s difficult to predict the impact precisely, El Niño can alter patterns of drought and rainfall around the world.
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Global Warming’s ‘Missing’ Heat: It May Be in the Indian Ocean
Since the late 1990s, global warming has stabilized, even as greenhouse gases have risen. That defies simple models that say the temperature should keep going up. A team of oceanographers now says they know where the missing heat has gone.
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A Climate Battle Cry for Earth Day
A group of 17 renowned scientists from around the world are appealing for dramatic action to forestall the worst effects of climate change, issuing an “Earth Statement” that calls for a world powered with zero carbon emissions by mid-century.
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Frequency of Tornadoes, Hail Linked to El Niño, La Niña
Study May Aid Seasonal Forecasting
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Initiative on Extreme Weather and Climate Kick-Off
This week marks the launch of the new Columbia Initiative on Extreme Weather and Climate, a cross-disciplinary collaboration between a variety of centers, research groups and individuals from across Columbia University. The Initiative, led by Adam Sobel, kicked off on Monday evening with a World Leaders Forum panel event in Low Library. Panelists discussed a…
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Webcast Tonight: Focus on Extreme Weather
The Columbia Initiative on Extreme Weather and Climate brings together experts across the university to integrate research into the physical science of these events with research on their impacts on human society and engineering solutions. The initiative kicks off this evening with a panel discussion, “Preparing for Extreme Weather: Global Lessons from Sandy,” from 6-7:30…
On Saturday, October 17, 2026 from 10am to 4pm, Lamont-Doherty Earth Observatory Open House—our biggest, best science fun and discovery event of the year—will take place on our beautiful campus in Palisades, NY. Mark your calendar and join us for this free, family-friendly celebration of science! RSVP Today!
