People's Climate March turnout shows people want action

Aired: 9/21/2014 | 0:03:43 | Clip
With the turnout for Sunday's People's Climate March in New York City exceeding organizers' expectations, experts say the message is clear: A wide range of people want governmental action on global warming. Katherine Bagley, a reporter with InsideClimate News, joins Hari Sreenivasan.

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