21st annual Thurston County AIDS Walk: Participants can walk as individuals, families, businesses or teams. Registration for the AIDS walk is set for 9:30 a.m., following by the event at 10, at Sylvester Park, at Capitol and Legion ways in downtown Olympia. www.olyaidswalk.com.
22nd annual Nisqually Watershed Festival: Set for 10 a.m.-4 p.m. at the Nisqually National Wildlife Refuge, at 100 Brown Farm Road N.E. in Nisqually. Free. 253-502-8224.
Moving Planet Day: People are encouraged to walk downtown and take a step closer to making Olympia “a car-free city” for a picnic from 5-8 p.m. at Sylvester Park. Local bands will perform.
Lake Sylvia Fall Festival: The festival includes music, races and crafts and begins with a pancake breakfast at 7 a.m., followed by a duathlon/triathlon at 8. It’s at Lake Sylvia State Park, on Lake Sylvia Lake Road just north of Montesano. Candi Bachtell, 360-580-2199.
St. John’s Concert Series: Pianist David Joyner and bassist Clipper Anderson will perform at 3 p.m. at St. John’s Episcopal Church, 114 20th Ave. S.E., Olympia. Cost is by donation. 360-888-5983.
The Coalition of Neighborhood Associations: The next neighborhood will be from 6:30-8:30 p.m., at Olympia City Hall, 601 Fourth Ave. E.,in the the City Council Chambers. The Coalition will host a panel on Youth and Gang Activity and Community Safety, and will consist of Olympia Police Chief Ronnie Roberts, Olympia Police Department Officers and Staff, and Thurston County Prosecutor Jon Tunheim.
Alzheimer’s Project Act town hall meeting: Input from the meeting will be collected and presented to officials from the U.S. Department of Health and Human Services. It is set for 3 p.m. at Panorama Auditorium, 1751 Circle Lane S.E., Lacey. www.alz.org/napa.
School parent meeting: North Thurston Public Schools will hold its annual meeting to discuss its state-mandated HIV/AIDS curriculum at 7 p.m. at the district office, 305 College St., Lacey. Parents who cannot attend but have questions can call Maddy de Give at 360-412-4466.
Godiva Speaks: Celebration of female poets in Olympia is set for 6:30-9 p.m. at Traditions Cafe, 300 Fifth Ave. S.E., Olympia. Cost is $5-$8.