Full Title: Climate Data vs. Climate Models: Why do climate change assessments overlook the differences between the climate models they use and the empirical data?
Author(s): Patrick J. Michaels & Paul C. Knappenberger
Publisher(s): CATO Institute
Publication Date: 09/2013

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Description (excerpt):

The U.S. Global Change Research Act of 1990 created something called the U.S. Global Change Research Program (usgcrp), a 13-agency entity charged with conducting, disseminating, and assessing scientific research on climate change. Every four years, the program is supposed to produce a “national assessment” of climate change. One of the purposes of the assessment is to provide the Environmental Protection Agency with information that it can use to regulate carbon dioxide.