Either you acknowledge the existence of man-made climate change and consider it a dire global threat, or you deny it exists at all.
But there is a third group: the lukewarmers. In Lukewarming: The New Climate Science that Changes Everything, Pat Michaels and Chip Knappenberger explain the real science and spin behind the headlines and come to a provocative conclusion: global warming is not hot-it's lukewarm. Climate change is real, it is partially man-made, but it is clearer than ever that its impact has been exaggerated-with many of the headline-grabbing predictions now being rendered implausible or impossible."
What an odd change of heart -- The Cato Institute's in-house climate hacks, led by Pat Michaels, issued this headline-grabbing prediction a decade ago: