Two climate skeptics ordered to pay more than $1 million to Professor Michael Mann. “I hope this verdict sends a message that falsely attacking climate scientists is not protected speech,” he said.

Rand Simberg and Marck Steyn, two global warming denialist bloggers, compared Professor Michael E. Mann to a child predator in 2012. The scientist then sued them for defamation, as well as their publishers. The latter were spared during a first trial in 2021, the courts ruling that they could not be held responsible.