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James Hansen: 我为什么要声讨气候变化
1,722,337 views
|
James Hansen |
TED2012
• February 2012
Read transcript
顶级气候学家James Hansen讲述他参与的全球气候变化科研与辩论。他向我们展示了气候变化的强有力的证据，以及他为什么对未来充满了担忧。
climate change
environment
global issues
science
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