Why 2 degrees Celsius is climate change’s magic number

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  • Published on Dec 2, 2015
  • 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.
    View the Full Story/Transcript: www.pbs.org/newshour/bb/why-2-degrees-celsius-is-climate-changes-magic-number/

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