Season 25 Episode 17

Warnings from the Ice

Aired Wednesday 9:00 PM Apr 21, 1998 on PBS
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Episode Summary

Warnings from the Ice
NOVA explores this question- what would happen if all of Greenland or Antarctica's ice were to melt? The show uses a visual thought experiment that was created by the late Bill Haxby of the Lamont-Doherty Earth Observatory at Columbia University. He showed graphics of what four different coastlines would look like if ocean levels rose 17 feet, or 170 feet. In his experiment Bill also showed graphics of what those same coastlines looked like 20,000 years ago when ocean levels were 400 feet lower than they are currently.moreless

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