The university?s Center for Geographic Information Science will host its sixth annual GIS Expo & Symposium, ?Natural Disasters and Security: A GIS Perspective,? on Wednesday, May 19, 1-5 p.m. in the Bronco Student Center?s Ursa Major Suite. In addition to various expert panels, noted environmental/fire historian and author Stephen J. Pyne will give a keynote address. The event is free and the public is invited to attend. For more information, visit www.cpp.edu/~cgisr/webpages/Expo2004.htm.