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Politics : The Environmentalist Thread

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To: Wharf Rat who wrote (10615)	3/20/2007 12:30:18 AM
From: D. Long	Read Replies (1) of 36917

Carbon dioxide during Phanerozoic period, averaged, for the past 500+ million years. en.wikipedia.org This page also gives a graph of relative warmth during the period. We're pretty ice cold. en.wikipedia.org As a very unscientific observation from these crude graphs, it's interesting that biodiversity appears to jump during the warm periods. en.wikipedia.org

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