State of the Planet

News from the Columbia Climate School

Urbanization14

  • 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.

  • 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.”

  • Urban Sustainability and the Sharing Economy

    Urban Sustainability and the Sharing Economy

    A growing aspect of sustainable urban living is the “sharing economy.” Sharing has always been a part of urban life; we have long shared books in public libraries, nature in parks, and seats on the stoops of row houses. But in the past few years, cities have seen a significant revival and acceleration in sharing…

  • 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…

  • A New Course: Environmental Infrastructure for Sustainable Cities

    A New Course: Environmental Infrastructure for Sustainable Cities

    Read about new MSSM Faculty member Carter Strickland, and how he will bring his expertise in sustainability and environmental policy to the classroom in fall 2016 with a new course: Environmental Infrastructure for Sustainable Cities.

  • Changing Environmental Values and a Changing World

    Changing Environmental Values and a Changing World

    I believe that concern over tap water is part of the growing movement for locally-sourced food, physical fitness, and what has been termed “wellness.” The underlying source of support for environmental protection is a growing understanding of the relationship between a toxic environment and human health.

  • Interdependence, Sustainability, and a Sense of Place

    Interdependence, Sustainability, and a Sense of Place

    As important as global economic and cultural forces may be, I see the push for distinctive identity and a sense of place ensuring that communities and nation states will maintain their power in a more globally interconnected world. Part of it is expressed in Not in My Back Yard (NIMBY) local politics that resists development…

  • Understanding the Sustainable Lifestyle

    While I remain convinced that humans require live interaction and in person contact to be effective, a high proportion of communication is electronic and require few incremental resources to be undertaken. I am quite certain that we spend more time than ever communicating professionally and personally.

  • By the Numbers: Air Quality and Pollution in New York City

    By the Numbers: Air Quality and Pollution in New York City

    New York City is known for many things, but having clean air isn’t one of them. Explore some of the issues and challenges the Big Apple faces in clearing NYC’s air through interactive maps and data.

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.

  • 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.”

  • Urban Sustainability and the Sharing Economy

    Urban Sustainability and the Sharing Economy

    A growing aspect of sustainable urban living is the “sharing economy.” Sharing has always been a part of urban life; we have long shared books in public libraries, nature in parks, and seats on the stoops of row houses. But in the past few years, cities have seen a significant revival and acceleration in sharing…

  • 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…

  • A New Course: Environmental Infrastructure for Sustainable Cities

    A New Course: Environmental Infrastructure for Sustainable Cities

    Read about new MSSM Faculty member Carter Strickland, and how he will bring his expertise in sustainability and environmental policy to the classroom in fall 2016 with a new course: Environmental Infrastructure for Sustainable Cities.

  • Changing Environmental Values and a Changing World

    Changing Environmental Values and a Changing World

    I believe that concern over tap water is part of the growing movement for locally-sourced food, physical fitness, and what has been termed “wellness.” The underlying source of support for environmental protection is a growing understanding of the relationship between a toxic environment and human health.

  • Interdependence, Sustainability, and a Sense of Place

    Interdependence, Sustainability, and a Sense of Place

    As important as global economic and cultural forces may be, I see the push for distinctive identity and a sense of place ensuring that communities and nation states will maintain their power in a more globally interconnected world. Part of it is expressed in Not in My Back Yard (NIMBY) local politics that resists development…

  • Understanding the Sustainable Lifestyle

    While I remain convinced that humans require live interaction and in person contact to be effective, a high proportion of communication is electronic and require few incremental resources to be undertaken. I am quite certain that we spend more time than ever communicating professionally and personally.

  • By the Numbers: Air Quality and Pollution in New York City

    By the Numbers: Air Quality and Pollution in New York City

    New York City is known for many things, but having clean air isn’t one of them. Explore some of the issues and challenges the Big Apple faces in clearing NYC’s air through interactive maps and data.