criticism and over the objections of the Secretaries of Agriculture, Commerce, Transportation, Energy, Council on Environmental Quality, Office of Science and Technology Policy, Council of Economic Advisors, and Small Business Administration, Johnson issued the Advance Notice of Proposed Rulemaking, "Regulating Greenhouse Gas Emissions Under the Clean Air Act." On February 29, 2008, four labor unions representing 10.000 of the EPA's 17.000 employees (ca. 60%) published an open letter to Johnson, complaining that he had ignored the EPA's official Principles of Scientific Integrity in advancing Bush Administration positions on water fluoridation, pesticide regulation, mercury emissions, and greenhouse gas control. As Administrator, he managed more than 17,000 Agency employees nationwide and oversaw an annual budget of $7.7 billion. His tenure expired on January 20, 2009. Post EPA On June 29, 2010, clean technology company FlexEnergy announced that Johnson had joined its board of directors. According to Johnson, the company's technology can minimize air pollutants in congested cities and industrial sites, as well as provide energy in remote areas around the world. On November 11, 2010, The Scotts Miracle-Gro Company announced that Johnson had been named to its board of directors. Johnson also sits on the board of trustees at his alma mater, Taylor University. References External links Congressional Testimony (Video), 2008 "EPA Chief Silent on White House Involvement in Key Decisions", Environment News Service, 5-21-2008 "Smoke and Mirrors: the Subversion of the EPA", four-part series at The Philadelphia Inquirer, 2008 1951 births 21st-century American politicians Administrators of the United States Environmental Protection Agency George W. Bush administration cabinet members George Washington University alumni Living people People from Washington, D.C. Taylor University alumni Washington, D.C., Republicans Presidential Rank Award recipients