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How pollution and greenhouse gases affect climate in the Sahel

Below is a piece originally published on The Conversation on February 24th, 2019, and was authored by IRI researcher Alessandra Giannini. Over the last decade many countries in the Sahel region – the semi-arid southern edge of the Sahara that stretches from Senegal to Ethiopia – have been embroiled in conflict. Populations in these countries […]

Making Coffee Production Sustainable

First study to quantify economic trade-offs of shifting from conventional to shade-grown coffee production. Model suggests farmers can optimize coffee profits by converting one to two-thirds of their acreage to shade-grown.

February Climate Briefing: El Niño Arrives, Unfashionably Late

Read our ENSO Essentials & Impacts pages for more about El Niño and La Niña. Tony Barnston provides an overview of the briefing: What’s New The long-predicted El Niño event in the Pacific seems to finally have taken shape. While sea-surface temperatures in the equatorial Pacific cooled somewhat for a few weeks in the Niño3.4 region, other factors pointed towards El […]

January Climate Briefing: El Niño Development Wavers But Odds Remain High

This briefing update was written by Elisabeth Gawthrop and Jacquelyn Turner. Read our ENSO Essentials & Impacts pages for more about El Niño and La Niña. Tony Barnston provides an overview of the briefing: What’s New Sea-surface temperatures in the equatorial Pacific have cooled slightly since this time last month. The SST conditions of the Niño3.4 region, shown in tweet image […]

Developing Colombia’s Next Generation of Seasonal Forecasts

Last year, climate scientists from the International Research Institute for Climate and Society visited Colombia’s national meteorological service (called the Institute of Hydrology, Meteorology and Environmental Studies and known by its Spanish acronym, IDEAM) to discuss their continuing partnership and to start developing a more advanced seasonal forecasting system called ‘the Next Generation of Seasonal […]

Students Play Central Role in First Columbia World Project

Written by Christopher Shea, Columbia World Projects. It was originally published January 2, 2019 on Columbia World Project’s website. “I will never forget those voices and those faces sitting in front of me,” Sarah Johnson, a student at Columbia’s School of International and Public Affairs (SIPA), said over coffee at a campus café recently, as she described a meeting she had with a group of elderly […]

December Climate Briefing: Atmosphere Resists El Niño Participation

Read our ENSO Essentials & Impacts pages for more about El Niño and La Niña. What’s New Typically, as we near the end of a calendar year, there is relative certainty about the anticipated state of the El Niño Southern Oscillation in the coming months. At this time of year, the ENSO cycle is in a less chaotic state, and […]

IRI@AGU: What’s Climate Doing to Guatemala’s Coffee?

The Samalá River watershed on Guatemala’s Pacific coast is a highly productive region for staple and cash crops. It’s also known for having one of the highest incidences of natural disasters in the country. Among the diverse agricultural production in the region, coffee stands as one of the most important export crops. Over the last […]

IRI@AGU: Lessening the Impacts of Climate Shocks to Agriculture

In this video, IRI’s director, Lisa Goddard, discusses two innovations IRI has helped develop to reduce the potential impacts of droughts and extreme weather on vulnerable communities around the world: climate-based index insurance for smallholder farmers in Africa and forecast-based financing for the World Food Programme. Lisa Goddard– Climate Variability, Index Insurance & Forecast-based Financing […]

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