State of the Planet

News from the Columbia Climate School

monsoon season

  • Tree Rings, Climate Change and the Rainy Season

    Tree Rings, Climate Change and the Rainy Season

    Seeking to understand the history of the southeast Asian monsoon, researchers venture into the remote highlands of Vietnam to sample the rings of behemoth cypress trees that have survived for a thousand years.

  • Rapid-Fire Cyclones over the North Indian Ocean

    Rapid-Fire Cyclones over the North Indian Ocean

    With Chapala’s destructive landfall in Yemen just a couple of days in the past, a second tropical cyclone, Megh, has just formed in the Arabian Sea. This one is not forecast to become anywhere near as intense as Chapala did—though we know intensity forecasts can be wrong, as they were at early stages for both…

Blue banner with kids and Earth photos. Text: "Lamont-Doherty Earth Observatory Open House, Saturday, October 17, 2026, 10am-4pm.

On Saturday, October 17, 2026 from 10am to 4pm, Lamont-Doherty Earth Observatory Open House—our biggest, best science fun and discovery event of the year—will take place on our beautiful campus in Palisades, NY. Mark your calendar and join us for this free, family-friendly celebration of science! RSVP Today!

  • Tree Rings, Climate Change and the Rainy Season

    Tree Rings, Climate Change and the Rainy Season

    Seeking to understand the history of the southeast Asian monsoon, researchers venture into the remote highlands of Vietnam to sample the rings of behemoth cypress trees that have survived for a thousand years.

  • Rapid-Fire Cyclones over the North Indian Ocean

    Rapid-Fire Cyclones over the North Indian Ocean

    With Chapala’s destructive landfall in Yemen just a couple of days in the past, a second tropical cyclone, Megh, has just formed in the Arabian Sea. This one is not forecast to become anywhere near as intense as Chapala did—though we know intensity forecasts can be wrong, as they were at early stages for both…