• Help Mother Nature at SOLVE IT for Earth Day events, 9 a.m. to 1 p.m., several Portland-area locations. www.solveoregon.org/volunteer-earth-day
• Find a job with handcuffs at the Oregon Law Enforcement Career Fair, 10 a.m. to 2 p.m., Oregon Public Safety Academy, 4190 Aumsville Highway S.E., Salem. www.OregonPoliceJobs.com
• Shake it until you make it at the Thunderstruck Dance Competition, 4 to 10 p.m., Oregon Convention Center, 777 N.E. Martin Luther King Jr. Blvd.
• Hop into dancing at the Portland Lindy Exchange, 7:30 p.m. (drop-in lesson), dance from 8 p.m. to 3 a.m., Bossanova Ballroom, 722 E. Burnside St. Cost: $25. pdxlx.com/
Social media posts from your local merchants