Share
Copy

Close Call on the Arctic's Melting Sea Ice

Part 2: A desperate scramble over a massive crack in the sea ice creates a scary situation.
08/21/2012

Transcript for Close Call on the Arctic's Melting Sea Ice

-- ... See More
This transcript has been automatically generated and may not be 100% accurate.
Now on ABC News is always on.
Coming Up
2:30 PM ET
Headlines & Weather
2:45 PM ET
In The Game
3:00 PM ET
News Pop
3:30 PM ET
Headlines & Weather
3:45 PM ET
Second Tour
MORE VIDEO
Sections
Shows
Watch the Full Episode
Nightline 08/20: Before American Murdered By ISIS, US Launched Doomed Rescue Op
American Murdered By ISIS; Taylor Fire; Little League World Series

Before American Murdered By ISIS, US Launched Doomed Rescue Op

Before American Murdered By ISIS, US Launched Doomed Rescue Op

Intelligence agencies race to identify knife-wielding killer in execution video.

Elite Arson Squad Members Accused of Making False Statements

Elite Arson Squad Members Accused of Making False Statements

Two Phoenix arson investigators from one of the best arson squads in the country are coming under fire.

What Makes Little League Pitching Phenom So Good?

What Makes Little League Pitching Phenom So Good?

Mo'ne Davis' stunning fastball made her a darling of the Little League World Series.