Thursday, Dec. 17
• Darryll Kletch will speak on the Oracle Referenda, or "How Oracle Got Where It Is Today," at the Oracle Community Center. Details: 5:30 p.m.; for more information call 896-9326.
• The Marana Police Department will hold a booster seat safety event. Details: 1:30-3:30 p.m.; Kohl's, 5850 W. Arizona Pavilions Drive; free; 382-2049.
• The Oro Valley Stormwater Utility Commission will meet. Details: 4-6 p.m.; Municipal Operations Center, 12941 Pusch Mountain View Lane; free; 229-4700.
Friday, Dec. 18
• Metropolitan Pima Alliance will hold their monthly breakfast at the Viscount Hotel. Details: 7:15-9 a.m.; 4855 E. Broadway Blvd.; $25, $20 members; www.mpaaz.org/events/breakfast.
Saturday, Dec. 19
• Properly dispose of unwanted prescription drugs. Details: 10 a.m.-2 p.m.; Oro Valley Marketplace, 2150 E. Tangerine Road, free.
Tuesday, Dec. 22
• Pima Council on Aging Information and Referral Service will offer free information and referral service on issues of concern to older adults. Details: 11 a.m.-1 p.m.; Wheeler Taft Abbett Sr. Library, 7800 N. Schisler Drive; free; 594-5200.
• The Oro Valley Development Review Board will meet. Details: 6-10 p.m.; Council Chambers, 11000 N. LaCanada Drive; free; 229-4700.
