“When Mr. Gore addressed a packed, cheering hall at the annual meeting of the American Association for the Advancement of Science in Chicago earlier this month, his climate slide show contained a startling graph showing a ceiling-high spike in disasters in recent years. “The data came from the Center for Research on the Epidemiology of Disasters (also called CRED) at the Catholic University of Louvain in Brussels.” The slide has since disappeared from the show, Revkin wrote. This was not happenstance. Pielke called Gore on his assertions. The link between manmade activity and natural disasters has not been established.