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.

COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
