State of the Planet

News from the Columbia Climate School

biosustainability

  • Can We Feed Billions of Ourselves Without Wrecking the Planet?

    Can We Feed Billions of Ourselves Without Wrecking the Planet?

    A new Earth Institute primer lays out the basics of achieving sustainable agriculture on a global scale.

  • How to Wrap Your Head Around Dead Sea Rehabilitation

    How to Wrap Your Head Around Dead Sea Rehabilitation

    The Dead Sea has been receding at an average rate of 1 meter per year. How can this important historic, cultural and environmental landmark be rehabilitated in one of the world’s driest regions while improving water access for Israel, Palestine and Jordan?

  • ‘The Big Ratchet’

    ‘The Big Ratchet’

    In her new book, Ruth DeFries argues that we have continually created new technologies that allow our numbers to grow. But each new invention creates a new problem—which we solve with yet another innovation that creates the next problem. Will we be able to sustain this so-far successful cycle past the great leap in technology…

  • A Chat With Shahid Naeem, CERC’s Director of Science

    A Chat With Shahid Naeem, CERC’s Director of Science

    In candid conversation, wrought with his usual humor and wit, Dr. Shahid Naeem, CERC’s Director of Science, discusses topics ranging from the critical role of life on Earth and trends in sustainability to Taylor Swift, his own personal “Science Hall of Fame” and being called a tree-hugger.

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

  • Can We Feed Billions of Ourselves Without Wrecking the Planet?

    Can We Feed Billions of Ourselves Without Wrecking the Planet?

    A new Earth Institute primer lays out the basics of achieving sustainable agriculture on a global scale.

  • How to Wrap Your Head Around Dead Sea Rehabilitation

    How to Wrap Your Head Around Dead Sea Rehabilitation

    The Dead Sea has been receding at an average rate of 1 meter per year. How can this important historic, cultural and environmental landmark be rehabilitated in one of the world’s driest regions while improving water access for Israel, Palestine and Jordan?

  • ‘The Big Ratchet’

    ‘The Big Ratchet’

    In her new book, Ruth DeFries argues that we have continually created new technologies that allow our numbers to grow. But each new invention creates a new problem—which we solve with yet another innovation that creates the next problem. Will we be able to sustain this so-far successful cycle past the great leap in technology…

  • A Chat With Shahid Naeem, CERC’s Director of Science

    A Chat With Shahid Naeem, CERC’s Director of Science

    In candid conversation, wrought with his usual humor and wit, Dr. Shahid Naeem, CERC’s Director of Science, discusses topics ranging from the critical role of life on Earth and trends in sustainability to Taylor Swift, his own personal “Science Hall of Fame” and being called a tree-hugger.