Weather3
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Climate Services: Global Framework
Jerry Lengoasa, Deputy Secretary General of the World Meteorological Organization — How do we bridge the gap between those who have the knowledge and those who don’t, those who have the capacity and those who don’t have the capacity, and the capability?
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Winter Extremes: So Last Year?
What are the odds that this winter will be as snowy as the last two? Climate scientist Jason Smerdon and tree-ring scientist Rosanne D’Arrigo are working on an answer, looking at the long-term history of two important weather patterns—the North Atlantic Oscillation and La Niña state in the tropical Pacific—that similar to last year could…
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
