State of the Planet

News from the Columbia Climate School

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Photo Essay: Where the Trees Meet the Tundra

Due to warming climate and increasing human exploitation, far northern forests and the tundra beyond are undergoing rapid changes. In northern Alaska, scientists from Columbia University’s Lamont-Doherty Earth Observatory and other institutions are studying trees at the very edge of their range to understand what to expect in coming decades. READ THE FULL SCIENTIFIC STORY or  SEE A VIDEO

Earth Month Graphic Collage: "Our Power, Our Planet - April 2025"

The first Earth Day in 1970 ignited a movement to stop polluting our planet. This Earth Month, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.

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