General10
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Why Climate Change Is a National Security Risk
The U.S. Defense Department regards climate change as a “threat multiplier” that exacerbates existing environmental stresses and national security risks, and affects everything it does.
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Science and Heritage: The Ice Memory Foundation’s Mission for the Planet
As climate change threatens an uncertain future, an international foundation is collecting and saving stories from the past in an unusual format: ice cores from disappearing glaciers that act as archives for both data and memories.
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8 Questions with Jeffrey Shaman, Columbia Climate School’s Interim Dean
A Q&A with Jeffrey Shaman, who recently assumed the role of interim dean at Columbia Climate School
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A Summer of Science Saturdays: Casting a Wide Net at Lamont
Columbia’s Lamont-Doherty Earth Observatory’s community education program draws in students of all ages to learn about the Hudson River.
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Ice Stupas Have Become a Popular Water Management Tool in the Himalayas. But Can They Work in Chile?
An innovative project led by Chilean engineers tests an Indigenous Himalayan technology in a new place. It has faced unique sociopolitical challenges.
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Landmark International Report: Current Emissions Path Threatens Two Billion People in Hindu Kush Himalayas
New international assessment finds emissions and climate policy falls short in the high mountain regions of Asia, threatening billions of people and species in the area.
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Melting Ice and Rising Sea Levels: Why 2 Degrees Celsius Is Too High
At a United Nations Framework Convention on Climate Change side event in early June, representatives from several countries discussed the urgent need to address global loss of water and sea-level rise.
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Columbia Climate School Leadership Announcement
On July 1, Jeffrey Shaman will become interim dean of the Climate School, continuing the work of co-deans Alex Halliday, Jason Bordoff, Ruth DeFries, and Maureen Raymo, climate leaders who built the School’s strong foundation.
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Sediments That Tell a Story: Patagonian Ice Field Sediment Cores Reveal Glacial Waxing and Waning Over Thousands of Years
A recent study uses a sediment core to reconstruct paleoclimate in the early and middle Holocene and Neoglacial periods.
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
