State of the Planet

News from the Columbia Climate School

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  • Migration in the Face of Global Environmental Change

    Migration in the Face of Global Environmental Change

    Over the past 40 years, coastal and inland water ecosystems experienced the greatest levels of net in-migration, vs. mountain, forest, cultivated, and dryland ecosystems, which experienced the greatest levels of net out-migration, says a new report.

  • Climate and the Border: Why Rising Temperatures Will Add Immigration Challenges

    Climate and the Border: Why Rising Temperatures Will Add Immigration Challenges

    When experts warn of the consequences of global climate change, they usually cite impacts on natural systems. They tell us that ice caps will melt, sea levels will rise, extreme weather will become more common, droughts will increase in frequency, oceans will become more acidic and so on. In recent years, we have also come…

  • A new report says climate change could spur unprecedented migration

    Could climate change cause the greatest human migration in history? A new report says that millions of people around the globe have already been forced to relocate due to climate-related impacts, and it explains why hundreds of millions more may be displaced in the next few decades. The report, written by researchers at the Center…

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

  • Migration in the Face of Global Environmental Change

    Migration in the Face of Global Environmental Change

    Over the past 40 years, coastal and inland water ecosystems experienced the greatest levels of net in-migration, vs. mountain, forest, cultivated, and dryland ecosystems, which experienced the greatest levels of net out-migration, says a new report.

  • Climate and the Border: Why Rising Temperatures Will Add Immigration Challenges

    Climate and the Border: Why Rising Temperatures Will Add Immigration Challenges

    When experts warn of the consequences of global climate change, they usually cite impacts on natural systems. They tell us that ice caps will melt, sea levels will rise, extreme weather will become more common, droughts will increase in frequency, oceans will become more acidic and so on. In recent years, we have also come…

  • A new report says climate change could spur unprecedented migration

    Could climate change cause the greatest human migration in history? A new report says that millions of people around the globe have already been forced to relocate due to climate-related impacts, and it explains why hundreds of millions more may be displaced in the next few decades. The report, written by researchers at the Center…