James Hansen:
James Hansen : Pourquoi je dois parler haut et fort du changement climatique

TED2012 · 17:51 · Filmed Feb 2012
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James Hansen, éminent chercheur, raconte l'histoire de son engagement dans la science et le débat autour du changement climatique mondial. Ce faisant, il expose brièvement les preuves que le changement est en cours et pourquoi cela l'inquiète profondément quant à l'avenir.

James Hansen has made key insights into our global climate — and inspired a generation of activists and scientists. Full bio
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