They are getting rid of unwanted data.
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CRU Erases DataDr Phil, Confidential Agent »
"Unprecedented" Data Purge At CRU
On July 31, 2009, the purge of public data at CRU reached levels “unprecedented” in its recorded history. Climate Audit reader Super-Grover said that the data purge was “worse” than we expected...
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more at :
http://climateaudit.org/2009/07/31/t...rge-continues/
Also rewriting climate history :
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HEAT OF THE MOMENT
History of climate gets 'erased' online
More than 5,000 entries tailored to hype global-warming agenda
Posted: December 21, 2009
8:32 pm Eastern
By Chelsea Schilling
© 2009 WorldNetDaily
This photo of climate scientist and Wikipedia editor William Connolley was displayed on ScienceBlogs.com
A new report reveals a British scientist and Wikipedia administrator rewrote climate history, editing more than 5,000 unique articles in the online encyclopedia to cover traces of a medieval warming period – something Climategate scientists saw as a major roadblock in the effort to spread the global warming message.
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more at:
http://www.wnd.com/index.php?fa=PAGE.view&pageId=119745