State of the Planet

News from the Columbia Climate School

Mayor de Blasio

  • Come on Mr. Mayor, Leave the Central Park Carriage Horses Alone

    The mayor seems almost desperate to complete this carriage deal and move on, but in the process is simply giving his enemies more ammunition to do battle with him. In the process, he has managed to antagonize park advocates, pedicab workers, and good government advocates.

  • From PlaNYC to OneNYC: New York’s Evolving Sustainability Policy

    How do we encourage the wealthy to participate in our real estate market without driving out the rest of us? How can the city tax some of the new real estate wealth to provide housing subsidies for working New Yorkers?

Columbia Climate School Giving Day on October 28, 2026, featuring students and renewable energy imagery

October 28, 2026 is Columbia Giving Day! Your gift to Columbia Climate School helps advance interdisciplinary research, educate the next generation of leaders, and transform bold ideas into real-world solutions for climate, Earth, and society.

  • Come on Mr. Mayor, Leave the Central Park Carriage Horses Alone

    The mayor seems almost desperate to complete this carriage deal and move on, but in the process is simply giving his enemies more ammunition to do battle with him. In the process, he has managed to antagonize park advocates, pedicab workers, and good government advocates.

  • From PlaNYC to OneNYC: New York’s Evolving Sustainability Policy

    How do we encourage the wealthy to participate in our real estate market without driving out the rest of us? How can the city tax some of the new real estate wealth to provide housing subsidies for working New Yorkers?