State of the Planet

News from the Columbia Climate School

cities3

  • We Don’t Know All About Hurricanes–But We Know Enough to Act

    We Don’t Know All About Hurricanes–But We Know Enough to Act

    Sandy instantly brought a new kind of national media attention to the influence of global warming on weather disasters. After several years of near-silence on climate from our political leaders and the mainstream media, the renewed attention is profoundly welcome.

  • Brownfields: Untold Stories, Unrealized Value

    Brownfields: Untold Stories, Unrealized Value

    Across the country, in distressed urban centers, hundreds of thousands of industrial sites have been left lying fallow. These properties, known as brownfields, embody the story of America’s twentieth-century industrial might and bear the mark of that period’s unenlightened practices. Their closing and subsequent abandonment culminated in the loss of well-paying manufacturing jobs, the creation…

  • Cities Produce the Emissions. Cities Must Deal With Them.

    By Elliott Sclar It is always good news when the international community gathers to address an important problem. On the other hand, an international conference on climate change implicitly frames this as a nation-state problem. It is, for all intents and purposes, an urban problem. Nations are supposed to be the ones governing carbon emissions;…

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

  • We Don’t Know All About Hurricanes–But We Know Enough to Act

    We Don’t Know All About Hurricanes–But We Know Enough to Act

    Sandy instantly brought a new kind of national media attention to the influence of global warming on weather disasters. After several years of near-silence on climate from our political leaders and the mainstream media, the renewed attention is profoundly welcome.

  • Brownfields: Untold Stories, Unrealized Value

    Brownfields: Untold Stories, Unrealized Value

    Across the country, in distressed urban centers, hundreds of thousands of industrial sites have been left lying fallow. These properties, known as brownfields, embody the story of America’s twentieth-century industrial might and bear the mark of that period’s unenlightened practices. Their closing and subsequent abandonment culminated in the loss of well-paying manufacturing jobs, the creation…

  • Cities Produce the Emissions. Cities Must Deal With Them.

    By Elliott Sclar It is always good news when the international community gathers to address an important problem. On the other hand, an international conference on climate change implicitly frames this as a nation-state problem. It is, for all intents and purposes, an urban problem. Nations are supposed to be the ones governing carbon emissions;…