State of the Planet

News from the Columbia Climate School

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Under Arctic Ice: Watch the Video

This 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.

After landing, a hole is drilled through the ice, and the sampling system is lowered through the hole to a depth of about 700 meters. The sampling system (the thin hole rosette) which was designed and built at the Lamont-Doherty Instrument Lab, allows the LDEO field team to examine the water as the assembly descends and to collect water samples for later analysis when interesting properties are observed. This work is supported by the US National Science Foundation.

This video was shot by Switchyard team member Dan Greenspan, who is a researcher at the Applied Physics Laboratory at Johns Hopkins University. Check out his blog, and his recent entry: “Traveling to the North Pole, Part 10: Eclipse, with Wolves.”

Banner featuring a collage of extreme heat images.

Recent record-breaking heat waves have affected communities across the world. The Extreme Heat Workshop will bring together researchers and practitioners to advance the state of knowledge, identify community needs, and develop a framework for evaluating risks with a focus on climate justice. Register by June 15

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