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Old 02-05-2013, 02:46 PM   #451 (permalink)
jamesqf
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Quote:
Originally Posted by Old Tele man View Post
..."Mother Nature" has already done that many times over the eons: A = Glacial Cooling and B = Savannah Sizziling (wink,wink)...we just weren't around to notice it.
Sorry, but no. Mother Nature has not dumped large amounts of fossil CO2 into the atmosphere many times over the eons. In fact, she has - as well as we can read the fossil record - done it only once. That was the Permian-Triassic extinction event: http://en.wikipedia.org/wiki/Permian...tinction_event

 
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