Workshops to consider ways to shape the Tucson region based on shared values take place from 6 to 8 p.m.; registration and refreshments begin at 5:30 p.m. Wednesday, May 18: Tucson Convention Center Copper Ballroom, 260 S. Church Ave. Tuesday, May 24: Hilton El Conquistador Resort, 10000 N. Oracle Road. Wednesday, May 25: Diamond Center, 7350 S. Nogales Highway. Call 209-2448; e-mail camilathorndike@gmail.com; or visit imaginegreatertucson.org for more information.