State of the Planet

News from the Columbia Climate School

Superfund

  • Students Tour Gowanus Canal Superfund Site

    Students Tour Gowanus Canal Superfund Site

    With the help of local tour guides, Environmental Science and Policy students learned about the background and current state of one of the most contaminated sites in the country.

  • Why Are Mines Still Polluting? The Money’s Not There

    Why Are Mines Still Polluting? The Money’s Not There

    Across the nation, abandoned mine sites continue to pollute the environment for decades as acid mine drainage flows into rivers and streams. A 1980 law was supposed to fix that, but lack of funding and enforcement have left the public stuck with the bill.

Collage of Turkiye beach scene and Columbia University Campus with text: UN Climate Change Conference COP31, Antalya, Turkiye, Nov 9-20, 2026

COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More

  • Students Tour Gowanus Canal Superfund Site

    Students Tour Gowanus Canal Superfund Site

    With the help of local tour guides, Environmental Science and Policy students learned about the background and current state of one of the most contaminated sites in the country.

  • Why Are Mines Still Polluting? The Money’s Not There

    Why Are Mines Still Polluting? The Money’s Not There

    Across the nation, abandoned mine sites continue to pollute the environment for decades as acid mine drainage flows into rivers and streams. A 1980 law was supposed to fix that, but lack of funding and enforcement have left the public stuck with the bill.