id author title date pages extension mime words sentence flesch summary cache txt crl-15916 Harger, Elaine Johansen, Bruce E. Silenced: Academic Freedom, Scientific Inquiry, and the First Amendment Under Siege in America. Westport, Conn.: Praeger, 2007. 185p. alk. paper, $49.95 (ISBN 0275996867). LC 2007-8456. 2008-01-01 3 .pdf application/pdf 1795 66 51 Although most people and politicians in the United States have largely been liv- ing as if in the Dark Ages when it comes to climate change, the international scientific community has been researching and documenting global warming for decades and knows for certain that the observed changes are not part of earth’s natural climate cycle but are caused directly by human activity. Johansen focuses chapter 1, “Weather Wars: Hard Science and Hardball Poli- tics,” on the world of James E. Hansen, director of NASA’s Goddard Institute for Space Science and a true (and truth- ful) expert on climate change. cache/crl-15916.pdf txt/crl-15916.txt