<![CDATA[NASA Junk Science – Worse Than It Seems]]>NASA has doubled 1890-1980 global warming since 1981, simply by altering their data set progressively over time.

GISS-1981-2002-2014-global

But it is worse than it seems. Let’s focus on the changes from 2002 to 2014

GISS2002-2014FigA

Note on the pre-1950 changes, they have altered the data well beyond their own error bars, which are the blue lines in the 2002 graph and the green lines in 2014 graph.

ScreenHunter_8489 Apr. 09 11.44

They pretend to be doing something mathematically rigorous, when in fact they are simply manipulating data to suit a political agenda. Policy Based Evidence Making

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