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What Does it Take to Build Sustainable Peace?
A multi-part video series explains how the Sustaining Peace Project is helping to understand and cultivate long-lasting peace.
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Where Will Future Migrants Come From?
A project that anticipates how people will move in response to environmental changes could help to bolster social and humanitarian support for countries in crisis.
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Every (Fifth) Breath We Take: Friends of Phytoplankton and Why They Matter
Tiny microbes called phytoplankton live beneath the ocean’s surface, producing oxygen that is essential to human survival. A new study sheds light on how these all-important diatoms survive and thrive under difficult conditions.
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Greener Ways to Keep Cool During a Heat Wave
The world is warming and our air conditioners are making it worse. Here are some less energy-intensive ways to survive the rising heat.
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New Earth Institute Director Alex Halliday’s Vision Reaches Across Columbia and the World
The pioneering geochemist tells us his first impressions and why he’s so excited to be here.
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Fighting Ticks With a Few Taps of the Phone
A new smartphone app offers hope of stemming the spread of diseases like Lyme, and providing some peace of mind in the process.
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Food Web: Trade Networks May Be Key to Solving Hunger
Columbia’s Center for Climate Systems Research is building a network analysis program that can pinpoint trouble spots in the global food trade system.
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Machine Learning May Be a Game-Changer for Climate Prediction
A new study uses machine learning to better represent clouds in climate models, which helps to predict the climate’s response to rising levels of greenhouse gases.
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Congratulations! You’ve Been Chosen To Colonize A New World.
Posing as an interplanetary flight attendant in an upcoming show, researcher Christine McCarthy will lead a geological journey through the solar system.
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
