State of the Planet

News from the Columbia Climate School

sustainable

  • Ruth DeFries, Jeffrey Sachs Named University Professors

    Ruth DeFries, Jeffrey Sachs Named University Professors

    Ruth DeFries and Jeffrey Sachs have been named University Professors, the highest rank Columbia University bestows on its faculty.

  • 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…

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.

  • Ruth DeFries, Jeffrey Sachs Named University Professors

    Ruth DeFries, Jeffrey Sachs Named University Professors

    Ruth DeFries and Jeffrey Sachs have been named University Professors, the highest rank Columbia University bestows on its faculty.

  • 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…