State of the Planet

News from the Columbia Climate School

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  • Extinction Exposed – The Sea Otter

    Extinction Exposed – The Sea Otter

    Despite being a keystone species in important ecosystems that span the northern and eastern North Pacific Ocean, sea otters have historically had a complex and sometimes troubling relationship with humans.

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

  • Extinction Exposed – The Sea Otter

    Extinction Exposed – The Sea Otter

    Despite being a keystone species in important ecosystems that span the northern and eastern North Pacific Ocean, sea otters have historically had a complex and sometimes troubling relationship with humans.