Guest post by Tony Brown
Context is everything, and nowhere more so than in climate history, where a graphic such as this seems to illustrate an alarming uptick in temperatures that has been blamed on modern man and his profligate burning of CO2;
But take one step back;
And the recent analysis from BEST seems to illustrate a tantalizing suggestion that the warming observed by GISS to 1880 was merely part of a longer term trend.
Take several even longer steps backwards, through the medium of Central England temperature (CET) the oldest and most examined instrumental data set in the world- maintained by the UK’s Met office- and this puts GISS into further historic context, in that the temperature rise extends-with numerous advances and reverses- all the way to 1659.
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