State of the Planet

News from the Columbia Climate School

Jason Bordoff

  • Columbia Climate School Leadership Announcement

    Columbia Climate School Leadership Announcement

    On July 1, Jeffrey Shaman will become interim dean of the Climate School, continuing the work of co-deans Alex Halliday, Jason Bordoff, Ruth DeFries, and Maureen Raymo, climate leaders who built the School’s strong foundation.

  • What Did COP27 Accomplish?

    What Did COP27 Accomplish?

    Delegates from Columbia Climate School discuss the achievements and shortfalls of COP27, as well as what took place outside the negotiation room.

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

  • Columbia Climate School Leadership Announcement

    Columbia Climate School Leadership Announcement

    On July 1, Jeffrey Shaman will become interim dean of the Climate School, continuing the work of co-deans Alex Halliday, Jason Bordoff, Ruth DeFries, and Maureen Raymo, climate leaders who built the School’s strong foundation.

  • What Did COP27 Accomplish?

    What Did COP27 Accomplish?

    Delegates from Columbia Climate School discuss the achievements and shortfalls of COP27, as well as what took place outside the negotiation room.