SUMMER FESTIVAL. Hear a live swing jazz band in the park. 6 p.m. Washington Park Amphitheater, 4001 S.W. Canyon Rd.
EDUCATION FIRST. Participate in the Back to School Supplies Drive. Drop off supplies 8 a.m.-5 p.m. Friends of the Children, 44 N.E. Morrison St.
BLOCK PARTY. The Oregon Bus Project hosts a door-to-door canvas and block party. Come for breakfast and training before going out to register voters and talk about the Healthy Kids Initiative. 10 a.m. Block party with music and games. 2 p.m. Unthank Park, 501 N. Failing St.
Benefit orphans in Tanzania by swimming the Willamette. Noon. Slammer Tavern, 500 S.E. 8th Ave. For info. see www.portland challenge.com
ARTS FESTIVAL. Enjoy 70 artists, jazz band, and dancers. 10 a.m.-6 p.m. Mary S. Young Park, 20100 Willamette Dr., West Linn.
PROBLEM SOLVING. A class and support group to help parents and caregivers of children with behavioral problems. Learn about reactive responses, and skill deficits. 6:30-8 p.m. Legacy Emanuel Children's Hospital, 2801 N. Gantenbein Ave. Call to register, 503-335-3500.
HEALTH AWARENESS. Be apart of raising public awareness of the benefits of preventive screenings, as well as simple steps to improve health. 10:30 a.m. Calaroga Terrace, 1400 N.E. 2nd Ave.
EVENING HIKE. Join a park naturalist for a hike and learn about forest predators, watersheds, critters geology and cedar. All ages. 7-8:30 p.m. Tryon Creek State Natural Area, 11321 S.W. Terwilliger Blvd.
STORYTIME. Two-year-olds (with adult) enjoy interactive stories songs and games that encourage language skills. 4-4:30 p.m. Northwest Library, 2300 N.W. Thurman St.
HAZARDOUS WASTE. Dispose of your household's toxic trash and learn about safer alternatives. 9 a.m.-2 p.m. Deer Creek Elementary, 16155 S.W. 131st Ave., Tigard
FOR THE KIDS. Volunteer at a Portland's public school to get it ready for students. For information visit www.solv.org or call Jan (503) 844-9571.
SYMPHONY CONCERT. Enjoy local performances at 2:30 p.m. and Oregon Symphony at 7 p.m. Arbor Lodge Park, N. Bryant & Delaware Ave.
ALL THAT JAZZ. The Dan Balmer Duo performs original jazz. He is the only guitarist in The Oregon Jazz Society Hall of Fame and its youngest member. 2-3 p.m. Central Library, 801 S.W. 10th Ave.