What's Causing Unusually Hot Temperatures in U.S.?

Name: What's Causing Unusually Hot Temperatures in U.S.?
Uploaded: 2012-07-02T22:00:00Z
Duration: P360S
Description: Lack of water, "the great air conditioner", is causing unusually high temperatures and extreme weather events in the United States, Kevin Trenberth with the National Center for Atmospheric Research tells Judy Woodruff.

Clip: 07/02/2012 | 6m

Lack of water, "the great air conditioner", is causing unusually high temperatures and extreme weather events in the United States, Kevin Trenberth with the National Center for Atmospheric Research tells Judy Woodruff.

Aired: 07/02/12

Rating: NR

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What's Causing Unusually Hot Temperatures in U.S.?

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