International Research Institute for Climate and Society5
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Crowdsourcing to Build Better Insurance
In order to offer protective insurance to greater numbers of smallholder farmers, in 2021, the ACToday project began testing mobile crowdsourcing apps that tap into the experiences and memories of farmers themselves.
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ACToday Empowers National Meteorological Services
As part of its goal to increase food security in six countries, the ACToday project has helped develop new climate services that lead to better agricultural decision making.
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The Climate-Nutrition Connection in Food Security
In early 2021, ACToday, Cheikh Anta Diop University and Senegal’s national meteorological service organized a three-hour webinar to launch discussions about connections between climate and nutrition.
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How ACToday Builds a Global Community of Climate-Trained Decision Makers
In the last year, project members trained more than 1,600 professionals and graduate students on integrating climate knowledge into food planning and policy, to help combat hunger.
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In Madagascar, a Hurricane Simulation Transforms Into Real-life Disaster Response
Instead of leading a fictional disaster simulation as planned, Columbia researchers helped government agencies prepare for and respond to Tropical Cyclone Batsirai in real time.
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Was It a Flash Flood or Not? Categorizing Disaster Types in Historical Records
Researchers develop new methods to assess flash flood risk to support anticipatory humanitarian action.
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Ground-truthing With Yohana Tesfamariam Tekeste
Tesfamariam Tekeste helps farmers reduce their vulnerability to climate change. She tells us about her work, as well as some hard truths about why those vulnerabilities exist in the first place.
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How These Women Are Contributing to a Sustainable Tomorrow
For International Women’s Day, we highlight a few women in the Columbia Climate School who are leading on climate science and adaptation, and helping to promote equity, sustainability, and resilience.
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Impacts, Adaptation and Vulnerability: What’s New in the Latest IPCC Release
An interview with Ben Orlove, lead author on the report’s chapter on decision-making around climate adaptation.
COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
