The Science Communication Interest Group section of the proceedings contains the following five papers: "Accounting for the Complexity of Causal Explanations in the Wake of an Environmental Risk" (LeeAnn Kahlor, Sharon Dunwoody and Robert J. Griffin); "Construction of Technology Crisis and Safety: News Media's Framing the Y2K Issue" (Ju Yong Ha); "The Visual Presentation of Expertise: Y2K Experts on Television" (Joshua Greenberg); "Theory and Practice of Public Meetings" (Katherine A. McComas); and "Understanding Environmentalism and Information Effects in Water Conservation Behavior: A Comparison of Three Communities Sharing a Watershed" (Craig W. Trumbo and Garrett J. O'Keefe). (RS)