Marco Tedesco2
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New York’s Climate Buyout Plans Must Put Communities First, Experts Say
At the Managed Retreat conference, hosted by Columbia Climate School, researchers emphasized the need to work together with communities on climate adaptation.
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State Farm’s California Pullout: What It Means for Climate Adaptation and Communities
Do decisions like State Farm’s aid in moving people out of harm’s way? Climate School experts discuss.
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The Paradox of Lithium
The clean energy transition depends heavily on lithium, but mining this element is not “clean.” We must not fall into the same traps from which we are trying to free ourselves.
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Marco Tedesco: Snow Man
Although his parents wanted him to become an electrical engineer, Tedesco felt drawn to a life of research. Then he fell in love with snow. Now he is among the most well-respected and quoted polar experts in the world.
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Scientists Harness Satellites to Track Algae Growth on Greenland Ice Sheet
To measure algal blooms across large regions of the Greenland ice, and understand their effects on melting over time, scientists are turning to space.
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The Melting of the Greenland Ice, Seen Up Very Close
A small team of scientists ventures out onto the Greenland ice sheet to study the forces large and small that are accelerating the melting of the world’s second-largest ice mass.
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State of the Arctic: Longer Melting Seasons, Thinning Sea Ice
The Arctic is warming twice as fast as the rest of the planet, and scientists are seeing the effects across ice and ecosystems. Lamont-Doherty Earth Observatory’s Marco Tedesco describes the changes underway.

Congratulations to our Columbia Climate School Class of 2026 and all of our 2026 Columbia University graduates! Learn more about our May 15 Climate School Class Day celebration. 💙 #Columbia2026 #ColumbiaClimate2026
