A September 3 petition asked the Office of Management and Budget to reanalyze its social cost of carbon and to not use current estimates to evaluate climate change impacts, charging that the current cost calculation was not transparently conducted. The America’s Natural Gas Alliance, the American Chemistry Council, the American Petroleum Institution, the National Association of Home Builders, the National Association of Manufacturers, the Portland Cement Association, and the U.S. Chamber of Commerce signed the petition.