PBS NewsHour

Scientists Warn Opportunity to Prevent Warming Is Dwindling

Clip: 09/27/2013 | 7m 27s

Ray Suarez talks to Michael Oppenheimer, a professor at Princeton University and member of the Intergovernmental Panel on Climate Change, about a new scientific assessment that updates the previously-held understanding of the rate and consequences of global warming.

Aired: 09/27/13

Rating: NR

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