Because honest people see the bias.
Guest Post by Professor Robert Brown of Duke University and Werner Brozek, Edited by Just The Facts:
Image Credit: Steven Goddard
As can be seen from the graphic above, there is a strong correlation between carbon dioxide increases and adjustments to the United States Historical Climatology Network (USHCN) temperature record. And these adjustments to the surface data in turn result in large divergences between surface data sets and satellite data sets.
In the post with April data, the following questions were asked in the conclusion: “Why are the new satellite and ground data sets going in opposite directions? Is there any reason that you can think of where both could simultaneously be correct?”
Professor Robert Brown of Duke University had an excellent response the this question here.
To give it the exposure it deserves, his comment is reposted in full below. His response ends with rgb.
Rgbatduke June 10, 2015…
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