地球历史上有多次大幅温度振荡，难道人类现在的活动真的push
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送交者: chouqilozi 于 2009-12-30, 11:56:57:
回答: 火山爆发可能是全球气候变暖的一个重要原因?? 由 coubert 于 2009-12-30, 11:45:35:
it over the tipping point? I just want to know some facts, and if the facts are not known yet, then just say so, leave politics out of this.
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