Patrick J. ("Pat") Michaels (born February 15, 1950) is an American former agricultural climatologist. Michaels was a senior fellow in environmental studies at the Cato Institute until Spring 2019. Until 2007, he was research professor of environmental sciences at the University of Virginia, where he had worked from 1980. He collaborated with Fred Singer to attack the scientific consensus on ozone depletion from 1991. He joined the Cato Institute, a libertarian think-tank founded by Charles and David Koch, and receives significant funding from the fossil fuel industry both directly and through front groups. He has described policies designed to reduce greenhouse gas emissions as "Obamunism". He is a past president of the American Association of State Climatologists. He has written a number of books and papers denying or minimizing climate change, including Sound and Fury: The Science and Politics of Global Warming (1992), The Satanic Gases (2000), and Meltdown: The Predictable Distortion of Global Warming by Scientists, Politicians, and the Media (2004). He's also the co-author of Climate of Extremes: Global Warming Science They Don't Want You to Know (2009). Michaels' viewpoint, as argued in a 2002 article in the journal Climate Research, is that the planet will see "a warming range of 1.3–3.0°C, with a central value of 1.9°C" for the 1990 to 2100 period (a value far smaller than the IPCC's average predictions).
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