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,…

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

  • 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,…