The US Congress periodically holds hearings on issues related to climate change. Because the subject has become a partisan one in America, they generally follow a predictable pattern – Democrats invite science and policy expert witnesses who agree with the expert consensus on human-caused global warming and the need to address it, and Republicans invite witnesses who disagree.

John Christy at the University of Alabama at Huntsville is one of the fewer than 3% of climate scientists who publishes research suggesting that humans aren’t the primary cause of the current global warming. He’s thus become one of Republicans’ favorite expert witnesses.

Last week, the Committee on Natural Resources held a hearing to discuss draft guidance by the the President’s Council on Environmental Quality to include carbon pollution and the effects of climate change in the consideration of environmental impacts of federal projects, as part of the National Environmental Policy Act (NEPA) review process. Needless to say, the Republicans on the committee don’t like the idea.

Christy Manufactures Doubt on Model Accuracy

Given that the hearing was ostensibly about environmental policy, most of the witnesses were policy experts. John Christy was the lone climate scientist invited to testify. His testimony focused on manufacturing doubt about […]

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