Recent News


The Atlantic Ocean holds the key to western Amazon rainfall

By Samuel McGlennon This post is an excerpt of a piece on the website for the Center for International Forestry Research. View the full article here.  In 2010, catastrophic fires ravaged huge tracts of the western Amazon, a region of rainforest that until just a few years earlier was considered beyond the reach of serious drought. Those […]

Francesco Fiondella/IRI

Climate Change is Greening the Sahel? Not so Fast…

The Sahel is a semiarid region south of the Sahara Desert that stretches from the Atlantic Ocean to the Red Sea. In the 1970s and 1980s it was hit by a series of persistent droughts and recurring famines that killed more than 100,000 people. The region remains one of the poorest and least developed in […]

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August Climate Briefing: “100%” El Niño

Read our ENSO Essentials & Impacts pages for more about El Niño.   Tony Barnston provides an overview of the briefing Changes from last month’s briefing Although 100% is technically not an achievable number in the world of ENSO and climate prediction, this El Niño forecast all but reaches it for the next several months.  The odds are similar to […]


Minds on the Information Gap: Climate in the Caribbean

This post is an excerpt from a multimedia story published by IRI on View the full story and video series here. On the road from Hewanorra airport in southern St. Lucia to the capital in the north of the island, a bridge is missing, washed out during heavy rains on Christmas Eve, 2013. A sharp […]


New Discussion Briefs: Water & Climate in the Caribbean

In partnership with the Centre for Resource Management and Environmental Studies (CERMES) at the University of West Indies, the International Research Institute for Climate and Society has released a set of four discussion briefs related to water and climate in the Caribbean. The briefs are designed for policy makers and others who work in the water sector to learn more about […]


July Climate Briefing: Nothin’ but Niño

Read our ENSO Essentials and ENSO Impacts pages to learn more about El Niño + check out the Storified summary of the #IRIforecast discussion on Twitter.   Tony Barnston provides an overview of the briefing Changes from last month’s briefing Scientists usually cringe at the word certain, but the forecast for El Niño to continue through the July-September season […]


Seeds of Hope: IRI in Uruguay

This story was written by David Craig and originally appeared in the Spring 2015 issue of Columbia Magazine. Photography and additional reporting by Francesco Fiondella. As climate change creates agricultural instability around the world, Columbia scientists are testing a seasonal forecasting system in Uruguay to give farmers a fighting chance. Daniel Lalinde doesn’t need a […]


IRI @ Paris #CFCC15

The International Scientific Conference “Our Common Future under Climate Change” will take place in Paris, July 6-9, 2015. This four-day conference will be the largest forum for the scientific community to come together ahead of the 21st UNFCCC Conference of the Parties, aka COP21, which will be hosted by France in December 2015. Building on the […]


Q&A: Subseasonal Prediction Project

Andrew Robertson is a senior research scientist at the International Research Institute for Climate and Society, where he also heads the climate group. Much of his research relates to improving climate forecasts with lead times between two weeks to two months, which scientists refer to as the subseasonal-to-seasonal (S2S) timescale. Decision makers in sectors such […]

2015 El Niño: Notes for the East African Malaria Community

Climate is one of many variables that influence where and when malaria outbreaks occur. Precipitation, humidity and temperature affect the development and survival of mosquitoes, with temperature also affecting the malaria parasites carried by mosquitoes. This in turn can affect the transmission of this vector-borne disease. El Niño, a periodic climate phenomenon influencing weather and climate around world, increases […]

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