State of the Planet

News from the Columbia Climate School

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  • Increasing Tornado Outbreaks: Is Climate Change Responsible?

    Increasing Tornado Outbreaks: Is Climate Change Responsible?

    In a paper published in the journal Science, researchers looked at increasing trends in the severity of tornado outbreaks, measured by the number of tornadoes per outbreak. They found that these trends are increasing fastest for the most extreme outbreaks.

Collage of Turkiye beach scene and Columbia University Campus with text: UN Climate Change Conference COP31, Antalya, Turkiye, Nov 9-20, 2026

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

  • Increasing Tornado Outbreaks: Is Climate Change Responsible?

    Increasing Tornado Outbreaks: Is Climate Change Responsible?

    In a paper published in the journal Science, researchers looked at increasing trends in the severity of tornado outbreaks, measured by the number of tornadoes per outbreak. They found that these trends are increasing fastest for the most extreme outbreaks.