If man is solely responsible for the increased levels of CO2, then how do you explain the Ordovician Period, 440 million years ago, when the CO2 level was 16 times higher than today? Or, the Cretaceous Period, 140 million years ago, when dinosaurs ruled the Earth and CO2 was 8 times higher? Or, the CO2 levels from 95 million years ago which were about the same as levels today? How can these levels be changing long before the appearance of man?
http://www.townhall.com/columnists/column.aspx?UrlTitle=three_questions_for_al_gore_and_the_live_earth_hystericals&ns=FrankPastore&dt=07/15/2007&page=2
2007-07-15
00:04:39
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27 answers
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Anonymous
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Politics