Uploaded March 2018 | Updated September 2026, 2 hours ago

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After months of nuclear brinkmanship, North Korea and the U.S. may be moving towards a peaceful resolution. Still, the Trump and Kim Jong-un administrations remain unpredictable. A nuclear war wouldn’t just kill millions — it could threaten the entire planet. Watch our video on why nuclear winter is the civilization-ending nightmare that keeps experts up at night.