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James Hansen:
Por que razão devo falar sobre a mudança climática

TED2012 · 17:51 · Filmed Feb 2012
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O proeminente cientista do clima James Hansen conta a história do seu envolvimento na ciência e debate sobre a mudança climática global. Ao fazê-lo, descreve as provas contundentes de que a mudança está a acontecer e a razão pela qual isso o deixa profundamente preocupado com o futuro.

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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