State of the Planet

News from the Columbia Climate School

research roundup

  • September Research Roundup: Select Papers

    September Research Roundup: Select Papers

    In this month’s edition of our research roundup, we look at the impact of suspending U.S. embassy reporting on air quality; why two extreme heatwaves had different impacts; and how to make vulnerable populations in smaller cities more visible.

  • August Research Roundup: Select Papers

    August Research Roundup: Select Papers

    This month, we covered a long-term analysis suggesting that landfill methane emissions may be far higher than estimated, as well as new research on unexpected trends in U.S. extreme rainfall. Here are additional studies worth noting.

  • July Research Roundup: Select Papers

    July Research Roundup: Select Papers

    This month, we covered the 2026 Environmental Performance Index; how gas bubbles shaped Kīlauea’s lava flow; and the Pacific’s contrasting effects on wildfires. Here are some additional studies worth noting.

  • June Research Roundup: Select Papers

    June Research Roundup: Select Papers

    In this month’s edition of our research roundup, we highlight a new study on African air pollution; deep Earth carbon recycling; and a Pacific cooling mystery.

Columbia Climate School Giving Day on October 28, 2026, featuring students and renewable energy imagery

October 28, 2026 is Columbia Giving Day! Your gift to Columbia Climate School helps advance interdisciplinary research, educate the next generation of leaders, and transform bold ideas into real-world solutions for climate, Earth, and society.

  • September Research Roundup: Select Papers

    September Research Roundup: Select Papers

    In this month’s edition of our research roundup, we look at the impact of suspending U.S. embassy reporting on air quality; why two extreme heatwaves had different impacts; and how to make vulnerable populations in smaller cities more visible.

  • August Research Roundup: Select Papers

    August Research Roundup: Select Papers

    This month, we covered a long-term analysis suggesting that landfill methane emissions may be far higher than estimated, as well as new research on unexpected trends in U.S. extreme rainfall. Here are additional studies worth noting.

  • July Research Roundup: Select Papers

    July Research Roundup: Select Papers

    This month, we covered the 2026 Environmental Performance Index; how gas bubbles shaped Kīlauea’s lava flow; and the Pacific’s contrasting effects on wildfires. Here are some additional studies worth noting.

  • June Research Roundup: Select Papers

    June Research Roundup: Select Papers

    In this month’s edition of our research roundup, we highlight a new study on African air pollution; deep Earth carbon recycling; and a Pacific cooling mystery.