It's about not wanting to admit that pollution represents a failure of free markets...
UPDATE: Here's a fresh and unhappy post about the state of polarization on the issue of global warming written by Chris Mooney.
REUPDATE: I sent the authors of Merchants of Doubt some fan mail and asked the question:
"I wonder if evangelicals prone to biblical literalism also find common cause with denialist free market cold warriors because the ability to call "junk" any science they disagree with enables them to cling to their world view?"
Naomi Oreske graced me with a prompt reply:
"Indeed! I am working on this very question now."
Cool news, indeed.
PS Merchants is now available in paperback for ~$11.00. Consider giving a copy to the denialists in your life. I'm going to...
Another Update: A nice profile of Professor Oreskes in the Christian Science Monitor.