Climate220
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Lamont Scientist Featured in Antarctic Climate Change Documentary
Lamont-Doherty scientist Hugh Ducklow is featured in a documentary due out next summer on climate change and the West Antarctic Peninsula. Catch a preview in this newly-released trailer.
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Red to Dead: Not As Simple As It Seems
The Dead Sea is shrinking as a result of mining for raw materials and the loss of fresh water inflow from the diversion of the Jordan River for drinking water by Syria, Israel and Jordan. This shrinkage is problematic for economic, environmental and cultural reasons for both Jordan and Israel, the two countries which share…
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A Tale of Sea Ice, Algae and the Arctic
I returned to New York on Monday, but Lamont-Doherty Earth Observatory scientists Andy Juhl and Craig Aumack remain working in Barrow, Alaska for another week. They’ll continue to collect data and samples in a race against deteriorating Arctic sea ice conditions as the onset of summer causes the ice to thin and break up.
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Unpacking Preconceptions
After a late arrival in Amman, Jordan on Sunday night, students in the Regional Environmental Sustainability in the Middle East program hit the ground running on Monday morning. An orientation at the Columbia University Middle East Center was followed by presentations at the Royal Society for the Conservation of Nature office.
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Arctic Current Flowed Under Deep Freeze of Last Ice Age, Study Says
Evidence Retrieved from Sediments in Remote Polar Basins
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Science, Creativity and Isopods
It’s near midnight and Lamont-Doherty Earth Observatory researchers Andy Juhl and Craig Aumack, and Arizona State’s Kyle Kinzler are gathered around a table in their lab at the Barrow Arctic Research Consortium discussing the best way to catch an isopod.
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Students Travel to Jordan and Israel to Learn About Environmental Issues
Nine Columbia students traveled to the Middle East last weekend to learn about how two countries in the region, Jordan and Israel, are cooperating on environmental issues and managing shared natural resources such as water. The students, led by Beth Fisher Yoshida, academic director of the Negotiation and Conflict Resolution program, and Shahar Sadeh, academic…
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Making Green Behavior Automatic
A default is defined as an option that applies if the chooser does nothing. The good news is that setting greener choices as defaults can automatically nudge people into more sustainable behavior.

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

