ENSO2
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International Conference on El Niño, Nov. 17-18
A live-streamed international conference on El Niño takes place on Nov. 17 and 18 at the International Research Institute for Climate and Society.
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Frequency of Tornadoes, Hail Linked to El Niño, La Niña
Study May Aid Seasonal Forecasting
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A River Runs Through It: Predicting Floods in the Midwest
Focusing on the American Midwest, Andrew Robertson analyzes the relationships between floods, weather and climate patters throughout the 20th century.
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Fears of a Double Dip…La Niña
You’d be forgiven for thinking its 2008 and not just because of the economic uncertainty. Is there a dreaded double dip La Niña in store, too?
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Climate Forecasting: Oceans, Droughts, Climate Change and Other Tools of the Trade
At the International Research Institute for Climate and Society’s monthly climate briefing, talk often focuses on the role that El Niño or La Niña play in driving global climate. With the collapse of La Niña last month, though, IRI’s forecasters now have to rely on different tools to offer forecasts for the coming year. That’s…
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R.I.P. La Niña
La Niña, we hardly knew ye. This year’s iteration of the climate phenomenon nearly set records for strength and riled up world weather for nine months. Now it’s dead. What’s next?
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La Niña Still Hanging On
IRI’s latest climate briefing shows a weak La Niña still hanging around. The big question is what will happen next?
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To Burn, or Not to Burn
A new report by the World Resources Institute showcases IRI’s efforts to get decision makers in Indonesia to change their fire policy, so that it was based on seasonal climate information.
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La Niña Subsiding, Atlantic Climate Phenomenon Forming
A return to near normal conditions in the Pacific doesn’t mean there aren’t other interesting climatic phenomenon afoot.
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
