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All Sides with Ann Fisher

Close Call: The Survival of the Human Race

11:00

Over the last 4.5 billion years, the Earth has been covered in ice, choked out by methane, shattered by asteroids, and melted by volcanoes. The bad news: Earth is overdue for another disaster. The good news:  humans are more prepared than ever to withstand a near-apocalypse. This hour, we'll learn about possible threats, and wily maneuvers that can keep our species safe.

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