State of the Planet

News from the Columbia Climate School

New York City13

  • Mass Transit in the Sustainable City

    Mass Transit in the Sustainable City

    An effective transportation system is to the sustainable city what a well-functioning circulatory system is to a healthy human being. New York City has developed along the path of its subway system.

  • Lessons of Climate Resilience in New York City

    Lessons of Climate Resilience in New York City

    The Earth Institute hosted a panel focused on how New York City, and other cities like it, can take steps to become stronger and more resilient in the face of climate change.

  • Watch: Cities and the Climate Change Challenge

    Watch: Cities and the Climate Change Challenge

    Join us for a symposium on Lessons of Climate Resilience in New York City this Wednesday, Oct. 19, from 6-7:15 p.m. in Low Library on the Columbia University campus.

  • Housing in New York City: Updating the History

    Housing in New York City: Updating the History

    “Beyond doubt the large question facing New York housing production today has to do with a market that can not provide for the half of our households that are low income.”

  • New York City’s Sustainable Dream

    New York City’s Sustainable Dream

    New York City is always in the global media and the images of this place are the inescapable backdrop of the emerging global culture. And that culture does not require the luxury consumer goods that are now available in all of the world’s major cities. Its core culture values a place that is safe to…

  • Climate Week: Why Does It Matter?

    Climate Week: Why Does It Matter?

    Climate Week NYC 2016, Sept. 19 to 35, features over 70 events bringing together business, societal and government leaders to share ideas, technologies, resources and success stories that are helping to curb climate change and transition to a low-carbon society.

  • 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…

  • 4th International Sustainable Development Conference Coming up

    4th International Sustainable Development Conference Coming up

    The world is working on sustainable development. And many of the new ideas and innovations being applied to fields from agriculture and food security to climate adaptation to socially inclusive economic growth will be on display at the fourth annual International Conference on Sustainable Development, to be held at Columbia University Sept. 21-22.

  • Extreme-Weather Winters Becoming More Common in U.S., Study Shows

    Extreme-Weather Winters Becoming More Common in U.S., Study Shows

    This past July was Earth’s hottest month since record keeping began, but warming isn’t the only danger climate change holds in store. Recent years have seen a dramatic increase in the simultaneous occurrence of extremely cold winter days in the Eastern United States and extremely warm winter days in the Western U.S., according to a…

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

  • Mass Transit in the Sustainable City

    Mass Transit in the Sustainable City

    An effective transportation system is to the sustainable city what a well-functioning circulatory system is to a healthy human being. New York City has developed along the path of its subway system.

  • Lessons of Climate Resilience in New York City

    Lessons of Climate Resilience in New York City

    The Earth Institute hosted a panel focused on how New York City, and other cities like it, can take steps to become stronger and more resilient in the face of climate change.

  • Watch: Cities and the Climate Change Challenge

    Watch: Cities and the Climate Change Challenge

    Join us for a symposium on Lessons of Climate Resilience in New York City this Wednesday, Oct. 19, from 6-7:15 p.m. in Low Library on the Columbia University campus.

  • Housing in New York City: Updating the History

    Housing in New York City: Updating the History

    “Beyond doubt the large question facing New York housing production today has to do with a market that can not provide for the half of our households that are low income.”

  • New York City’s Sustainable Dream

    New York City’s Sustainable Dream

    New York City is always in the global media and the images of this place are the inescapable backdrop of the emerging global culture. And that culture does not require the luxury consumer goods that are now available in all of the world’s major cities. Its core culture values a place that is safe to…

  • Climate Week: Why Does It Matter?

    Climate Week: Why Does It Matter?

    Climate Week NYC 2016, Sept. 19 to 35, features over 70 events bringing together business, societal and government leaders to share ideas, technologies, resources and success stories that are helping to curb climate change and transition to a low-carbon society.

  • 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…

  • 4th International Sustainable Development Conference Coming up

    4th International Sustainable Development Conference Coming up

    The world is working on sustainable development. And many of the new ideas and innovations being applied to fields from agriculture and food security to climate adaptation to socially inclusive economic growth will be on display at the fourth annual International Conference on Sustainable Development, to be held at Columbia University Sept. 21-22.

  • Extreme-Weather Winters Becoming More Common in U.S., Study Shows

    Extreme-Weather Winters Becoming More Common in U.S., Study Shows

    This past July was Earth’s hottest month since record keeping began, but warming isn’t the only danger climate change holds in store. Recent years have seen a dramatic increase in the simultaneous occurrence of extremely cold winter days in the Eastern United States and extremely warm winter days in the Western U.S., according to a…