Andrew J. Kruczkiewicz
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Discover Climate LIVE K12 Sessions for 2026-27
From October through June, Columbia Climate School researchers and students will host sessions exploring climate and sustainability topics including biodiversity, climate finance, climate action in professional sports and wildfire management.
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El Niño 2026: How Big Could It Get?
The current El Niño will break all sea-surface temperature records to date and will very likely deliver unprecedented weather-related impacts around the world.
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Climate Models Show El Niño Is Rapidly Strengthening
The World Meteorological Organization says a strong El Niño could drive extreme weather in many regions.
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You Asked: What Exactly Is a ‘Super’ El Niño?
Columbia Climate School experts explain what a strong El Niño could mean for the planet this year.
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U.N. Office’s Recovery Plan Advances Flood Relief Efforts in Pakistan
After a July 2025 glacier lake outburst flood in Hassanabad, the U.N. coordinated a relief and early recovery plan that is supporting reconstruction and humanitarian assistance.
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Societies Are Unprepared for the Human Costs of Climate Overshoot
While scientists have made progress describing overshoot’s physical impacts, its humanitarian and social consequences need greater focus, say the authors.
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The Rising Threat to New York City’s Food System
An increasing risk of flooding in Hunts Point could upend a large share of the city food distribution.
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A Disaster Expert Explains Why the Texas Floods Were So Devastating
A warning system, which might involve integrating older technology like weather radios with new AI products and local knowledge, is key to preventing future loss of life.
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How Can We Help People Who Cannot Flee High Climate-Risk Zones?
Much research focuses on people fleeing climate risks and natural hazards. What about those who can’t move?
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
