State of the Planet

News from the Columbia Climate School

tropics

  • Photo Essay: The Re-Greening of Puerto Rico

    Photo Essay: The Re-Greening of Puerto Rico

    Researchers survey the damage to Puerto Rico’s forests in the aftermath of Hurricane Maria.

  • An Ecological Traffic Jam in the Warming Tropics?

    An Ecological Traffic Jam in the Warming Tropics?

    The tropics are already hot, and they’re getting hotter as global temperatures rise. A new study offers a glimpse into how seriously a couple more degrees could disrupt the region’s ecological map.

  • Tropical Rainfall from Hours to Millennia

    Tropical Rainfall from Hours to Millennia

    Most of Earth’s rainfall occurs in a tropical zonal band that circles the Earth. Understanding how this band will responds to climate change requires us to combine time scales from hours to millennia.

  • Seeing the Amazon’s Future Through the Fog

    Seeing the Amazon’s Future Through the Fog

    Scientists have developed a new approach to modeling the water and carbon cycles in the Amazon that could lead to better climate forecasts and improved water resource management.

Photo of the Earth from space with the text "Lamont at AGU25" on top.

AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More

  • Photo Essay: The Re-Greening of Puerto Rico

    Photo Essay: The Re-Greening of Puerto Rico

    Researchers survey the damage to Puerto Rico’s forests in the aftermath of Hurricane Maria.

  • An Ecological Traffic Jam in the Warming Tropics?

    An Ecological Traffic Jam in the Warming Tropics?

    The tropics are already hot, and they’re getting hotter as global temperatures rise. A new study offers a glimpse into how seriously a couple more degrees could disrupt the region’s ecological map.

  • Tropical Rainfall from Hours to Millennia

    Tropical Rainfall from Hours to Millennia

    Most of Earth’s rainfall occurs in a tropical zonal band that circles the Earth. Understanding how this band will responds to climate change requires us to combine time scales from hours to millennia.

  • Seeing the Amazon’s Future Through the Fog

    Seeing the Amazon’s Future Through the Fog

    Scientists have developed a new approach to modeling the water and carbon cycles in the Amazon that could lead to better climate forecasts and improved water resource management.