Nicholas Christie-Blick
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Professor Nicholas Christie-Blick Named 2021 AAAS Fellow
The professor of earth and environmental sciences is one of five Columbia faculty recently recognized by the American Association for the Advancement of Sciences.

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.