Climate86
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How Exactly Does Carbon Dioxide Cause Global Warming?
CO2 molecules make up only a small percentage of the atmosphere, but their impact on our climate is huge. The reason comes down to physics and chemistry.
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In Iceland, Melting Glaciers Give Way to Plant Life
A recent study examines the changes in the foreland of a melting Icelandic glacier. With ice gone, new plant life is springing up and changing a centuries-old ecosystem.
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The Texas Power Grid and the Failure of Deregulation
While we need to mitigate climate change and will need government-driven public policy to do that, we must also adapt to the climate change that is already underway.
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Experts Weigh In on the Deep Freeze and Power Outages in Texas
Is a failure of wind power really behind the blackouts? How can we make sure this doesn’t happen again? Earth Institute scholars have answers to these questions and more.
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Studies Reveal Global Ice Melt Estimates Have Been Conservative
Ice is melting more rapidly than previously thought, according to two new studies, which examine some of the specific causes.
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Q&A With Gloriose Nsengiyumva, Who Puts Climate Adaptation Into Action
Seasonal climate forecasts can help farmers stave off poverty and hunger. Nsengiyumva helps farmers in Africa interpret those forecasts.
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Angelica Patterson: The ‘Shotgun Scientist’ Studying How Forests Respond to Climate Change
The doctoral candidate tells us about her research and some the challenges of being a woman of color in the sciences.
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Lisa Ilboudo Nébié: Studying Food Security, Environmental Changes and Migration in West Africa
She studies how environmental changes impact communities around the world, and how communities adapt.
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Allergy Seasons Are Worsening and Climate Change Is Playing a Significant Role
Pollen seasons are 20 days longer and present 21 percent more pollen than in 1990, according to a new study.

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
