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Politics : Manmade Global Warming, A hoax? A Scam? or a Doomsday Cult?

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To: Don Hurst who wrote (1380)7/31/2010 3:07:42 PM
From: longnshort2 Recommendations  Read Replies (2) of 4326
 
how does he explain the warming period in 1100 ad ?

1) The amount of carbon dioxide (CO2) in the atmosphere, after at least several hundred thousand years of
remaining within a constant range, started to rise with the advent of the Industrial Revolution. It has increased
by almost 40% and is rising each year. This is certain and straightforward.

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