La Niña
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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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Does the El Niño Southern Oscillation Actually Matter for Food Security?
And why should we care what causes a drought?
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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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Two Who Enabled El Niño Forecasts Win 2017 Vetlesen Prize
Warning Signs Now Applied Globally to Farming, Health, Water Issues
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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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Bad Ozone Days in Western U.S. Linked to Pacific Weather
A new study shows that ozone pollution in the western United States can be increased by La Niña, a natural weather cycle at the surface of the Pacific Ocean. The finding is the first to show that the La Nina-El Nino cycles directly affects pollution.

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

