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Global Warming
Hansen's Answer
Data ♦
1. Warmed 5C
2. Less Ice
 
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Data from Four Ice Ages, Used by Hansen
 
 
 
Hansen-Ice-Age-Data

Things to Note

1. In graph (c), "Observations" (of global temperature) and "Calculated Temperature" match so well that there is no chance this is 400,000 years coincidence.
[Observed temperature is determined from the ratio of heavy hydrogen (deuterium) to normal hydrogen in antarctic snow. The extent of ice is based on sea level which is determined from sea level based on Red Sea sediment cores. Greenhouse gases (CO2 and methane) are measured from Antarctic Vostok ice cores.]
 
 
 
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http://zfacts.com/p/1152.html | 01/18/12 07:18 GMT
Modified: Tue, 29 Dec 2009 00:59:11 GMT
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