cyanobacteria
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Seeing Red: The Great Oxygenation Event
In Part 4 of the Columbia Geology Tour, David Walker of the Lamont-Doherty Earth Observatory explores the source of the red sandstone of Russell Hall at the Columbia Teachers College on 120th Street.
Columbia Climate School has once again been selected as university partner for Climate Week NYC, an annual convening of climate leaders to drive the transition, speed up progress and champion change. Join us for events and follow our coverage.