COP21 demonstration in Paris
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COP21: Social media reaction to climate deal

The climate deal reached in Paris is "the best chance we have to save the one planet we have", US President Barack Obama has said.

But not all the reaction to the agreement has been so positive - this is a sample of responses from scientists, politicians and one astronaut on social media.

The Paris pact aims to curb global warming to less than 2C (3.6F)

  • 13 Dec 2015
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