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,…

Colorful icons representing nature, sustainable living, and renewable energy with text "Earth Day 2026"

The first Earth Day in 1970 ignited a movement to stop polluting our planet. Today, our scientists and experts are tackling the most pressing challenges to achieve real-world impact. This Earth Day, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.

  • 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,…