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David Keith:
戴维•基斯有关气候变化的惊人观点

TEDSalon 2007 Hot Science · 15:58 · Filmed Sep 2007
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环境科学家戴维•基斯推广一种实惠、高效、惊人的方法来解决气候变化:如果我们在大气中注入大片的灰,让灰来反射阳光和热量会怎样?

Environmental scientist
David Keith studies our climate, and the many ideas we've come up with to fix it. A wildly original thinker, he challenges us to look at climate solutions that may seem daring, sometimes even shocking. Full bio
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