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191 pages, Hardcover
First published March 7, 2008
I personally do not put much faith in paleoclimate studies. Since scientists can't even agree on the accuracy of actual thermometer-measured temperatures over the last hundred years, I find claims that we can discern ancient temperatures based upon the tree-ring spacing of a Bristlecone Pine growing at 9,000 feet elevation in a remote corner of Colorado to be a little dubious.This lack of faith in paleoclimate may possibly be due to the author's faith in Intelligent Design, not mentioned in this book but publicly stated elsewhere (search "Roy Spencer Intelligent Design"). Normally, an author's political or religious views should not be relevant when reviewing a book on science, and using them amounts to an ad hominem attack. However, if his version of Intelligent Design includes a 6,000 year old Earth (which he does not say one way or the other), this has a serious impact on any treatment of Earth Science. Paleoclimate provides the only evidence on which current climate theories can be tested. Spencer dismisses this evidence entirely, then criticises climate models for not being testable. While making much of the apparent faith of global warming proponents, his own faith clearly has a large impact on his scientific viewpoint.
Critics of this book will say that my treatment of global warming is obviously biased. And they are right. I have studied the issues enough to have developed some very strong biases on the subject. But it is not a question of whether bias exists - for we are all biased. It is a question of which bias is the best bias to be biased with.This should be sufficient to suggest that any reader truly interested in understanding the global warming issue, as opposed to having their current beliefs confirmed, should not rely on this single book. But as Spencer correctly points out, this issue is defined by political religious values. That is at least as true about his side of the issue as it is about his opponents.