State of the Planet

News from the Columbia Climate School

Ellesmere Island

  • 400 ppm World, Part 1: Large Changes Still to Come

    400 ppm World, Part 1: Large Changes Still to Come

    Why should society care that CO2 is now as high as 400 ppm? The reasons are multiple, but all trace back to the relationship between CO2 and temperature.

  • Under Arctic Ice: Watch the Video

    Under Arctic Ice: Watch the Video

    The video depicts the activities of the LDEO Switchyard field team, which deploys annually and uses ski-equipped aircraft to reach a series of sample sites between the North Pole and Ellesmere Island in Canada.

Composite banner with modern building at night and portrait of Dean Alexis Abramson that reads "Science for the Planet"

By studying thousands of buildings and analyzing their electricity use, Columbia Climate School Dean Alexis Abramson has been able to uncover ways to significantly cut energy consumption and emissions. Watch the Video: “Engineering a Cooler Future Through Smarter Buildings“

  • 400 ppm World, Part 1: Large Changes Still to Come

    400 ppm World, Part 1: Large Changes Still to Come

    Why should society care that CO2 is now as high as 400 ppm? The reasons are multiple, but all trace back to the relationship between CO2 and temperature.

  • Under Arctic Ice: Watch the Video

    Under Arctic Ice: Watch the Video

    The video depicts the activities of the LDEO Switchyard field team, which deploys annually and uses ski-equipped aircraft to reach a series of sample sites between the North Pole and Ellesmere Island in Canada.