What: Conference on "Green Chemistry in Minnesota" When: 8:30 a.m.- 5 p.m. Wednesday, May 28 Where: U of M Humphrey Institute of Public Affairs, 301 19th Ave. S., Minneapolis Contacts: Jamie Proulx, Humphrey Institute, (612) 625-9436 Ryan Mathre, University News Service, (612) 625-0552 MINNEAPOLIS / ST.