atmospheric river
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A Climate Expert Explains Why Atmospheric Rivers Are Causing Historic Rainfall in California
Climate professor Mingfang Ting discusses how atmospheric rivers are connected to climate change and what communities can do about them.
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More Frequent Atmospheric Rivers Are Hindering the Recovery of Arctic Sea Ice
Giant trains of warm, moist air are playing havoc with Arctic sea ice during the season when it should be recovering from summer melting.
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Flooding in California: What Went Wrong, and What Comes Next
Climate School experts help to explain this devastating weather and what it means in the broader conversation of climate change and disaster response.
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California’s Atmospheric Rivers Warn of Future Climatic Calamity
Atmospheric rivers continue to hit California. What do these events mean for flooding and other potential disasters in California’s future?
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Atmospheric Rivers Spur Debates on Flood Management in Washington State
After receiving unprecedented amounts of rainfall late last year, communities in northwestern Washington are asking questions about how to prevent flood damage in a warmer and wetter climate.

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
