Tuesday, May 12, 2009

Why reduce carbon emissions by 20 percent?

The Saskatchewan government abandoned its target of reducing emissions by 32 percent by 2020 and instead adopted a 20 percent goal. More here.

Apparently, most Canadian policy makers have never read Loehle's report correlating the sample data from all sources that exclude tree rings. Approximate temperatures for the past 2000 years follow below. The small lines are the high and low ranges, and the thick line is the median. It's clearly apparent that temperatures were much higher circa 1000 A.D.--long before the industrial era began.

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