State of the Planet

News from the Columbia Climate School

Mailman School of Public Health7

  • Does La Niña Lead to Flu Pandemics?

    Does La Niña Lead to Flu Pandemics?

    Four major flu pandemics of the last century, including the deadly 1918 flu, were all proceeded by La Niña conditions in the Pacific, according to a recent paper.

  • Climate and Health Workshop Photo Wrap Up

    Climate and Health Workshop Photo Wrap Up

    Check out some pictures from IRI’s recently concluded Summer Institute on Climate Information for Public Health.

  • Video: Climate and Public Health

    Video: Climate and Public Health

    Climate and public-health communities are learning to speak each other’s language to improve decision making. Watch our short video to learn more.

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

  • Does La Niña Lead to Flu Pandemics?

    Does La Niña Lead to Flu Pandemics?

    Four major flu pandemics of the last century, including the deadly 1918 flu, were all proceeded by La Niña conditions in the Pacific, according to a recent paper.

  • Climate and Health Workshop Photo Wrap Up

    Climate and Health Workshop Photo Wrap Up

    Check out some pictures from IRI’s recently concluded Summer Institute on Climate Information for Public Health.

  • Video: Climate and Public Health

    Video: Climate and Public Health

    Climate and public-health communities are learning to speak each other’s language to improve decision making. Watch our short video to learn more.