Arctic6
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Photo Essay: Where the Trees Meet the Tundra
Due to warming climate and increasing human exploitation, far northern forests and the tundra beyond are undergoing rapid changes. In northern Alaska, scientists from Columbia University’s Lamont-Doherty Earth Observatory and other institutions are studying the responses of trees at the very edge of their range.
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Where Trees Meet Tundra, Decoding Signals of Climate Change
In northern Alaska’s Brooks Range, the earth as most of us know it comes to an end. The northern tree line-a boundary that circles all of earth’s northern landmasses for more than 8,300 miles, and forms the planet’s biggest ecological transition zone–runs through here. Scientists from Columbia University’s Lamont-Doherty Earth Observatory are studying how climate…
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Red Flags Over the Arctic’s Future
A new white paper reviews climate impacts already underway in the Arctic, and examines further changes expected to take place even if the world meets the goals of the Paris Agreement. It will be presented today at a meeting at the White House of national-level science ministers and advisors from around the world.
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Facing Rapid Change in the Arctic
An expedition to the Canadian Arctic and west coast of Greenland is a moving and motivating experience for Lamont-Doherty Earth Observatory climate scientist Maureen Raymo.
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American Geophysical Union 2015: Key Earth Institute Events
Scientists at Columbia University’s Earth Institute will present important findings at the American Geophysical Union fall 2015 meeting, Dec. 14-18–the world’s largest gathering of earth and space scientists.
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Alaska: Hotspot for Oil and Climate Change
In September, Shell Oil abandoned its offshore oil drilling projects in the Alaskan Arctic. Why is Arctic drilling so controversial and what impacts will Shell’s announcement have?
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Anatomy of an ‘Ice Station’
Completing an “Ice Station” means collecting samples over a wide range of Arctic water and ice conditions. Each station means a major orchestration of people and resources.
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A Game of Strategy and Survival in the High Arctic
EcoChains: Arctic Crisis is a card game for ages 10 and up that challenges players to strategically manage the Arctic marine ecosystem as climate changes, while they learn about the potential impacts of future changes.
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Arctic Magic: One Research Vessel Multiplies to Hundreds
The Arctic is magical, that we know, but when one ship multiplies to hundreds of small boats we really see the effect that Arctic magic can bring.
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
