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James Hansen:
James Hansen: Pourquoi je dois parler du changement climatique

TED2012 · 17:51 · Filmed Feb 2012
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Le grand climatologue James Hansen raconte l'histoire de son implication dans la recherche et le débat sur le changement climatique mondial. Ce faisant, il expose les preuves accablantes que ce changement se produit et pourquoi cela le rend profondément inquiet pour l'avenir.

Climatologist
James Hansen has made key insights into our global climate — and inspired a generation of activists and scientists. Full bio
This talk was presented at an official TED conference, and was featured by our editors on the home page.

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