Global Warming: The Gift That Keeps On Giving

"(Voiceover) "The Day After Tomorrow" dramatizes global warming with scenes like this.

ACTOR (MALE)

The whole damn shelf is breaking off.

AL GORE (FORMER UNITED STATES VICE PRESIDENT)

These glaciers are so beautiful.

CLIP FROM "AN INCONVENIENT TRUTH"

SAM CHAMPION (ABC NEWS)

(Voiceover) Al Gore's 2006 documentary, 'An Inconvenient Truth," makes the same point with actual video of ice shelves calving. Which shots have more impact?

AL GORE (FORMER UNITED STATES VICE PRESIDENT)

And if you were flying over it in a helicopter, you'd see it's 700 feet tall. They are so majestic.

SAM CHAMPION (ABC NEWS)

(Voiceover) Wait a minute, that shot looks just like the one in the opening credits of 'The Day After Tomorrow."

KAREN GOULEKAS (VISUAL EFFECTS SUPERVISOR)

Yeah, that's, that's our shot. That's a fully computer generated shot. There's nothing real in there."

-- From an ABC News discussion on Global Warming

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