the view that CFCs "are the greatest threat to the ozone layer". In the same paper, commenting on the dangers of secondary inhalation of tobacco smoke, he concluded "there is no good scientific evidence that passive inhalation is truly dangerous under normal circumstances." In 2012, the institute took over the responsibility for running the Missilethreat.com website from the Claremont Institute. Missilethreat.com aims to inform the American people of missile threats, thereby encouraging the deployment of a ballistic missile defense system. Since the closure of the institute, the Missilethreat.com website has been maintained by the Center for Strategic and International Studies. Publications Politicizing Science: The Alchemy of Policymaking is a book by the George C. Marshall Institute, edited by Michael Gough. The book, published in 2003, encourages a disinterested objectivity on the part of scientists and policymakers: Ideally, the scientists or analysts who generate estimates of harm that may result from a risk would consider all the relevant facts and alternative interpretations of the data, and remain skeptical about tentative conclusions. Ideally, too, the agency officials and politicians, who have to enact a regulatory program, would consider its costs and benefits, ensure that it will do more good than harm, and remain open to options to stop or change the regulation in situations where the underlying science is tentative. Global warming Starting in 1989 GMI was involved in what it terms "a critical examination of the scientific basis for global climate change policy." This was described by Sharon Begley as a "central cog in the denial machine" in a 2007 Newsweek cover story on climate change denial. In Requiem for a Species, Clive Hamilton is critical of the Marshall Institute and contends that the conservative backlash against global warming research was led by three prominent physicists—Frederick Seitz, Robert Jastrow, and William Nierenberg, who founded the institute in 1984. According to Hamilton, by the 1990s the Marshall Institute's main activity was attacking climate science. Naomi Oreskes and Erik M. Conway reach a similar conclusion in Merchants of Doubt (2010), where they identified a few contrarian scientists associated with conservative think-tanks who fought the scientific consensus and spread confusion and doubt about global warming. The book Climate Change: An Encyclopedia of Science and History, noting that GMI received funding from the automobile and fossil fuel industries and espouses "a mix of conservative, neoliberal, and libertarian ideological positions", states that GMI has "supported authors