COMING UP: Don't miss Xfinity Monday Live on a special night -- Tonight! -- with guests Broncos linebacker Shaquil Barrett and receiver Bennie Fowler. Watch it on CBS4 at 6:30 p.m. or head to ViewHouse Centennial to see it live!

nuclear winter

Study: 'Small' Nuclear War Would Destroy The WorldWith an estimated 17,000 nuclear weapons in the world, we have the power to exterminate humanity many times over.

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