Big Picture Science – Surviving the Anthropocene: David Grinspoon / Biological Inevitability

by Gary Niederhoff on June 13, 2016

Humans aren’t the first species to influence the earth’s climate. 2.5 billion years ago, the solar gluttony of cyanobacteria and resulting flood of oxygen emissions led to what is known as the Great Oxygenation Event.
Big Picture Science – Biological Inevitability
click to listen (trt 8:04)

Part 2 of Surviving the Anthropocene, featuring David Grinspoon, astrobiologist and senior scientist at the Planetary Science Institute in Tucson, Arizona, explaining how biological influence on global systems may threaten all planets that evolve sentient lifeforms.

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