The Center for Science, Technology, and Public Policy will host "Green Chemistry in Minnesota: Opportunities and Challenges for Leadership" from 8:30 a.m. to 4:30 p.m. on Wednesday, May 28, in Cowles Auditorium. Researchers and practitioners will talk about innovative ways to introduce green practices into the design, manufacture, and application of chemical products. The conference fee is $25. Register online at www.hhh.umn.edu/centers/stpp/events.html.