20/20

Season 27 Episode 52

Last Days on Earth

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Aired Friday 10:00 PM Aug 30, 2006 on ABC
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Last Days on Earth
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Elizabeth Vargas explores seven scenarios for cataclysms that could destroy civilization on Earth, assesses the likelihood that any of them could occur and explores ways humans might be able to stop them. The seven include: a gamma-ray burst caused by the “death” of a star, artificial intelligence taking over, the eruption of a supervolcano, an asteroid strike, nuclear war, a pandemic or bioterrorism, and climate change.moreless
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    Elizabeth Vargas

    Elizabeth Vargas

    (Correspondent 1996 - 2004 / Co-Anchor 2004 - ?)

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