Three Generations Of Data Tampering And Hiding The Decline

Real Science

In 1975, the National Academy of Sciences published the Northern Hemisphere temperature graph below, which showed cooling from 1940 to 1970 back to 1910 levels.

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Science News

By 1982, scientists had already eliminated much of the 1940 to 1970 Northern Hemisphere cooling

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temperatures 1982

And then Hansen got a hold of it, completely changed the shape of the Northern Hemisphere plot, and almost completely eliminated the 1940 to 1970 global cooling period.

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Fig.A3.gif (625×474)

The animation below cycles through the progressive stages which government scientists have tampered with history in order to match their CO2 theory, normalized to 1920-1940

Thre Generations Of NorthernHemipshereDataTampering

And of course there is the elimination of Briffa’s trees from the hockey stick, which showed the same decline that Hansen has erased.

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Fortunately, there were quite a few real scientists from the 1970s who documented the global cooling which later Orwellian crooks tried to erase.

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NCAR  newsweek_coolingworld.pdf

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The Milwaukee…

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