Climate Scientists Warn Opportunity to Prevent Dangerous Warming is Dwindling

PBS NewsHour

thg 9 2013 · NewsHour Productions · Người đọc: PBS NewsHour

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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.