International Research Institute for Climate and Society32
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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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Climate Information Crucial to Help Reduce Disaster Risk
Forecasts can play an invaluable role in helping humanitarian agencies and governments plan for and prevent disasters, according to a new report published by Earth Institute’s IRI and its international partners.
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Climate Change Threatens Fragile Ecosystem in the Andes
A new audio slideshow about the páramo ecosystem in the Andes, at risk of becoming drier because of changing climate conditions
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Climate and Health Workshop Photo Wrap Up
Check out some pictures from IRI’s recently concluded Summer Institute on Climate Information for Public Health.
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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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How to reduce weather risk (and make a little green)
People understand that weather can affect certain markets — especially energy prices and other commodities — but its impact on portfolios more broadly might surprise. Just last week, a new study was released that estimated $485 billion of annual weather-related economic impact in the United States alone. Another calculated the effect at nearly 10 times that amount…
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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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Informing Farmers and Combating Drought in Mali
A new case study authored by scientists at Mali’s national meteorological service and the International Research Institute for Climate and Society chronicles a success story of linking farmers to climate information in response to the 1972-1984 drought.
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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.
During COP30—the 2025 UN Climate Change Conference taking place November 10–21 in Belém, Brazil—experts from Columbia Climate School and Columbia University will be contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
