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Originally Posted by ck27
Earth goes through natural cycles and there has been no direct relations with carbon dioxide emissions from industrial civ and temperature increase.
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If you google around for studies from ice cores you can quickly call this into question. Ice core studies have shown both that carbon dioxide concentration correlates well with temperature and that our current atmospheric carbon dioxide concentration is higher then its been in at least the last 400,000 years. (See for instance, the June 1999 issue of Nature)
-Will
