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CNN's John D. Sutter explores climate change and the importance of one number: 2 degrees Celsius.

Show Description

COP21: Paris climate talks 

  • An activist holds up a rose as other activists gather to form a giant red line during a demonstration near the Arc de Triomphe at the Avenue de la Grande armee boulevard in Paris on December 12, 2015, as a proposed 195-nation accord to curb emissions of the heat-trapping gases that threaten to wreak havoc on Earth's climate system is to be presented at the United Nations conference on climate change COP21 in Le Bourget, on the outskirts of Paris.  AFP PHOTO / ALAIN JOCARD / AFP / ALAIN JOCARD        (Photo credit should read ALAIN JOCARD/AFP/Getty Images)

    This is the end of fossil fuels

    By John D. Sutter, CNN
    The Paris Agreement is just the type of blaring signal the world needs that the era of fossil fuels is coming to a rapid close.
  • Hooray for the Paris climate agreement! Now what?

  • Obama: Climate agreement 'best chance we have' to save the planet

  • Indigenous voices protest in Paris

  • The moral case for climate action

  • An artist brought tons of ice from Greenland to Paris to raise awareness about climate change.

    Watching Greenland melt from Paris

    • COP21 Explainer - John Sutter_00004503.jpg

      Can you beat the 2-degree target?

    • Activists at a UN climate summit in France on Tuesday say global warming must be limited to 1.5 degrees Celsius above pre-industrial levels.

      Is 2 degrees the wrong climate goal?

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