When the truth of an issue is easily knowable one would expect consensus to be at a high level. When an issue is complex, observations difficult to interpret and the conclusion untestable one would not expect consensus to reach 97%.
Entire industries face extinction as the world’s governments seek to impose trillions of dollars of taxes on carbon emissions. The New York Times’s Thomas Friedman approvingly writes that Australian politicians—not to mention public figures through the world—now risk “political suicide” if they deny climate change. But if carbon dioxide turns out not to be the boogey-man that climate scientists have made it out to be, tens of trillions will be wasted in unneeded remediation. Much of the world—billions of humans—will endure a severely diminished quality of life with nothing to show for it.
Click the link to read an interesting essay by BRUMBERG and BRUMBERG.