For believers in a science that supposedly is “settled,” global-warming advocates are awfully concerned about the need to silence dissent. Last week, the ethics chairman for the American Geophysical Union resigned in disgrace over his role in a black-bag job meant to intimidate the Heartland Institute, one of the most effective voices questioning the anti-carbon-dioxide orthodoxy.
On Monday, climate scientist Peter H. Gleick confessed that he stole the identity of a Heartland staffer in order to obtain confidential financial files detailing the private group’s finances. Mr. Gleick then spread those papers around to various global-warming blogs, intending to discredit the group’s work as if it were bought and paid for by big oil companies.
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