Combining two different measurements and pretending they are the same thing and mischaracterizing what data show has not been limited to tree ring data. Here it is done not by scientists, but by Nobel laureate and global warming profiteer Al Gore.
You need to cut corners when you want to do good and do well.
Hu McCullough goes on to look at the actual data and concludes that, once again, it can't tell us what we want to know.
And, once again, we haven't disproved AGW or demonstrated that its impact will not be severe. The problem is that we know that serious limitations on carbon emissions will cause economic harm and exacerbate poverty. Doesn't this suggest that we proceed carefully?
Today, Obama, who did have the audacity to accept his undeserved Peace Prize, said that we ought to work for freedom from want. He has a funny way of going about it.