ENSO
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Study of Extreme Indian Rainfall Upends Conventional Wisdom
While El Niño often brings drought conditions to India, a new paper shows that it also increases the likelihood of devastating downpours in some of the country’s most heavily populated regions.
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Heat, Storm, Drought, Fire: Prolonged Climate Extremes as Cool La Niña Pacific Pattern Persists
As the tropical Pacific stays stuck in a cool phase, dangerous patterns persist worldwide.
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How Much Do Climate Fluctuations Matter for Global Crop Yields?
A new study finds that ENSO has caused widespread, simultaneous crop failures in recent history, running counter to the long-held assumption that crop failures in geographically distant breadbasket regions are unrelated.
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How Will La Niña Affect Winter in the U.S.?
This phenomenon can cause major changes in climate patterns. See what’s in store for your region.
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What’s in the Forecast and How Do We Know?
The Earth Institute’s International Research Institute for Climate and Society makes probabilistic forecasts for rainfall and temperature for the next six months. How does it do this?
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Learning from El Niño as La Niña Odds Rise
Although El Niño is weakening, its ramifications continue to be felt around the world. Drought and resulting food insecurity is one of the major implications for southeast Asia, eastern and southern Africa, Central America and the Caribbean. Sixty million are in need of emergency relief today, according to the United Nations.
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El Niño and Global Warming—What’s the Connection?
The United Nations has declared 2015 the hottest year since record keeping began. It was also a year marked by the occurrence of a “super” El Niño. Are the warming temperatures and El Niño connected?
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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
AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More
