thawing permafrost
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What Lies Beneath Melting Glaciers and Thawing Permafrost?
As the planet’s ice disappears, it’s exposing new surfaces, opportunities, and threats — including valuable mineral deposits, archaeological relics, novel viruses, and more.
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Why Thawing Permafrost Matters
As the Arctic warms, the unfreezing of permafrost poses a threat to the planet.

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
