Why 2 degrees Celsius is climate change’s magic number
Clip: 12/2/2015 | 7m 28s
William Brangham offers some background on that climate science target.
We hear all the time that we need to stop the planet from warming an additional two degrees Celsius above pre-industrial levels. Why is that specific number so important though? And what happens if we exceed that limit? William Brangham offers some background on that climate science target.
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Major corporate funding for the PBS News Hour is provided by BDO, BNSF, Consumer Cellular, American Cruise Lines, and Raymond James. Funding for the PBS NewsHour Weekend is provided by...
Why 2 degrees Celsius is climate change’s magic number
Clip: 12/2/2015 | 7m 28s
We hear all the time that we need to stop the planet from warming an additional two degrees Celsius above pre-industrial levels. Why is that specific number so important though? And what happens if we exceed that limit? William Brangham offers some background on that climate science target.
Problems playing video? | Closed Captioning Feedback
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Major corporate funding for the PBS News Hour is provided by BDO, BNSF, Consumer Cellular, American Cruise Lines, and Raymond James. Funding for the PBS NewsHour Weekend is provided by...