State of the Planet

News from the Columbia Climate School

The Sustainable City

  • An Environmental Agenda for NYC’s New Mayor

    An Environmental Agenda for NYC’s New Mayor

    Our new mayor should let our environmental actions do the talking for the next eight years. It would be a refreshing change.

  • The Necessity of Recycling

    The Necessity of Recycling

    Without recycling, there can be no circular economy. Without a circular economy, we cannot build environmentally sustainable cities. Without sustainable cities, we’d better start looking for another planet.

  • Maintaining Hope in A Horrible Time

    Maintaining Hope in A Horrible Time

    Human ingenuity and persistence give me hope and help me navigate the worst public health catastrophe in a century.

Overhead view of Columbia campus with text Columbia Climate School Class Day 2026: Congratulations Graduates

Congratulations to our Columbia Climate School Class of 2026 and all of our 2026 Columbia University graduates! Learn more about our May 15 Climate School Class Day celebration. 💙 #Columbia2026 #ColumbiaClimate2026

  • An Environmental Agenda for NYC’s New Mayor

    An Environmental Agenda for NYC’s New Mayor

    Our new mayor should let our environmental actions do the talking for the next eight years. It would be a refreshing change.

  • The Necessity of Recycling

    The Necessity of Recycling

    Without recycling, there can be no circular economy. Without a circular economy, we cannot build environmentally sustainable cities. Without sustainable cities, we’d better start looking for another planet.

  • Maintaining Hope in A Horrible Time

    Maintaining Hope in A Horrible Time

    Human ingenuity and persistence give me hope and help me navigate the worst public health catastrophe in a century.