Professor Michael Mann, who became a chief target of the climate change denialists for being the outspoken author of an iconic graph of global warming science. AP By Michael Mann
22 October 2012

Today, the case of Dr. Michael E. Mann vs. The National Review and The Competitive Enterprise Institute was filed in the Superior Court of the District of Columbia.

Dr. Mann, a Professor and Director of the Earth System Science Center at Pennsylvania State University, has instituted this lawsuit against the two organizations, along with two of their authors, based upon their false and defamatory statements accusing him of academic fraud and comparing him to a convicted child molester, Jerry Sandusky. Dr. Mann is being represented by John B. Williams of the law firm of Cozen O'Connor in Washington, D.C.

Dr. Mann is a climate scientist whose research has focused on global warming. In 2007, along with Vice President Al Gore and his colleagues of the Intergovernmental Panel on Climate Change, he was awarded the Nobel Peace Prize for having "created an ever-broader informed consensus about the connection between human activities and global warming."

Nevertheless, the defendants assert that global warming is a “hoax,” and have accused Dr. Mann of improperly manipulating the data to reach his conclusions.

In response to these types of accusations, the U.S. Environmental Protection Agency, the National Science Foundation and seven other organizations have conducted investigations into Dr. Mann’s work, finding any and all allegations of academic fraud to be baseless. Every investigation—and every replication of Mann’s work—has concluded that his research and conclusions were properly conducted and fairly presented.

Despite their knowledge of the results of these many investigations, the defendants have nevertheless accused Dr. Mann of academic fraud and have maliciously attacked his personal reputation with the knowingly false comparison to a child molester. The conduct of the defendants is outrageous, and Dr. Mann will be seeking judgment for both compensatory and punitive damages.

There is a larger context for this latest development, namely the onslaught of dishonest and libelous attacks that climate scientists have endured for years by dishonest front groups seeking to discredit the case for concern over climate change. Its why Dr. Mann wrote The Hockey Stick and the Climate Wars, about his experiences as a public figure in the climate change debate, and it is why he filed this suit.

Now would be a great time to help out with the larger battle by assisting climate scientists in their efforts to fight back against the attacks. Please consider contributing to the Climate Science Legal Defense Fund (CSLDF).

Journalists interested in further information regarding the filing of this lawsuit may contact Dr. Mann’s attorney at 202-912-4848, or

Michael E. Mann



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