weather patterns
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Vegetation Can Strongly Alter Climate and Weather, Study Finds
A new analysis of global satellite observations shows that vegetation can powerfully alter atmospheric patterns that influence climate and weather.
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What Does El Niño Mean, in 3.4 Seconds
Scientists at the International Research Institute for Climate and Society took a moment from their work (a very brief moment) to answer the question, “What does El Niño mean?”
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Converging Weather Patterns Caused Last Winter’s Huge Snows
A Warming World Can Still See Severe Storms

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
