State of the Planet

News from the Columbia Climate School

World Trade Center

  • A Morning That Shook the World: The Seismology of 9/11

    A Morning That Shook the World: The Seismology of 9/11

    Seismologist Won-Young Kim heard the first reports of the World Trade Center attacks while driving to work. Soon, he would be enmeshed in helping figure out exactly what happened, and when.

  • The World Trade Center Disaster And Our Toxic World

    The World Trade Center Disaster And Our Toxic World

    In a dangerous world we must be vigilant in the face of evil, but we must also do our best to reduce self-inflicted wounds. We can do a better job of detoxifying our technology, and of helping those who are victims of attacks and disasters. We owe it to our children and the planet they…

  • World Trade Center Ship Traced to Colonial-Era Philadelphia

    World Trade Center Ship Traced to Colonial-Era Philadelphia

    Four years ago this month, archeologists monitoring the excavation of the former World Trade Center site uncovered a ghostly surprise: the bones of an ancient sailing ship. In a new study, scientists at Lamont-Doherty Earth Observatory say that an old growth forest in the Philadelphia area supplied the white oak used in the ship’s frame,…

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!

  • A Morning That Shook the World: The Seismology of 9/11

    A Morning That Shook the World: The Seismology of 9/11

    Seismologist Won-Young Kim heard the first reports of the World Trade Center attacks while driving to work. Soon, he would be enmeshed in helping figure out exactly what happened, and when.

  • The World Trade Center Disaster And Our Toxic World

    The World Trade Center Disaster And Our Toxic World

    In a dangerous world we must be vigilant in the face of evil, but we must also do our best to reduce self-inflicted wounds. We can do a better job of detoxifying our technology, and of helping those who are victims of attacks and disasters. We owe it to our children and the planet they…

  • World Trade Center Ship Traced to Colonial-Era Philadelphia

    World Trade Center Ship Traced to Colonial-Era Philadelphia

    Four years ago this month, archeologists monitoring the excavation of the former World Trade Center site uncovered a ghostly surprise: the bones of an ancient sailing ship. In a new study, scientists at Lamont-Doherty Earth Observatory say that an old growth forest in the Philadelphia area supplied the white oak used in the ship’s frame,…