State of the Planet

News from the Columbia Climate School

aerosols

  • Dust May Beat Black Carbon at Speeding Up Snowmelt in the Himalayas

    Dust May Beat Black Carbon at Speeding Up Snowmelt in the Himalayas

    Tiny dust particles at high altitudes are having a greater effect on snow-darkening than previously thought, accelerating the loss of glaciers.

  • Have We Crossed the 9 Planetary Boundaries?

    Have We Crossed the 9 Planetary Boundaries?

    “The world needs to awaken itself to the looming catastrophe of global warming,” said Jeffrey Sachs, Director of the Earth Institute, at a recent meeting in Muscat. “We must provide a safe operating space where vested interest and lobby-driven policies will not see the world marching into disaster.”

Colorful banner image over Earth with text "Open House Discover Science, October 19, 2024, 10am to 4pm

Join us on Saturday, October 19, from 10 a.m. to 4 p.m. for the Lamont-Doherty Earth Observatory Open House! Celebrate 75 years of science with us at our beautiful Palisades, NY campus. The event is free and open to everyone, with a suggested $5 donation. Learn More and RSVP

  • Dust May Beat Black Carbon at Speeding Up Snowmelt in the Himalayas

    Dust May Beat Black Carbon at Speeding Up Snowmelt in the Himalayas

    Tiny dust particles at high altitudes are having a greater effect on snow-darkening than previously thought, accelerating the loss of glaciers.

  • Have We Crossed the 9 Planetary Boundaries?

    Have We Crossed the 9 Planetary Boundaries?

    “The world needs to awaken itself to the looming catastrophe of global warming,” said Jeffrey Sachs, Director of the Earth Institute, at a recent meeting in Muscat. “We must provide a safe operating space where vested interest and lobby-driven policies will not see the world marching into disaster.”