Go: Earth Day, Chief Redheart Memorial, roller derby

1. Earth Day celebrations

Ride your bike or stroll down the Salmon Creek Greenway for the annual Earth Day Festival. It will be a day of children’s activities, wildlife shows, salmon releases and more, hosted by the Clark Public Utilities’ StreamTeam. The festival includes a live birds of prey show from the Portland Audubon, a singalong with Recyleman and a mobile zoo from Mr. Lizard. The festival runs 10 a.m. to 2 p.m. April 22 near Klineline Pond, 800 N.E. 117th St., Vancouver. There will be a free shuttle service at Chuck’s Produce in Salmon Creek. 360-992-8585 or www.clarkpublicutilities.com/event/streamteam-earth-day-fest

Join the city of Battle Ground for the fifth annual Park Appreciation Day work party from 9 a.m. to noon April 22. Volunteers are encouraged to help give the Kiwanis Park, 422 S.W. Second Ave., and Florence Robison-South Park, 1900 N.W. Ninth St., a face-lift in time for the summer season. Clean up efforts will include litter pickup, raking and weeding flower beds, cleaning play equipment and spreading bark dust or playground chips. Participants should dress for the weather as it is a rain or shine event. 360-342-5380 or www.cityofbg.org

2. Remembering Redheart

The annual Nez Perce Chief Redheart Memorial Ceremony is held to honor and remember Chief Redheart and his band of Nez Perce who were interned at the Vancouver Barracks in the 19th century. The ceremony will feature tribal singing in honor of the ancestors, a Riderless Horse Ceremony and recognition of all military veterans, beginning at 10 a.m. April 22 at the Fort Vancouver National Historic Site’s Great Meadow, 1001 E. Fifth St., Vancouver. Visitors should bring blankets or lawn chairs. A traditional Native American meal will be served after the ceremony at the Artillery Barracks, open to all. 360-487-8630 or www.nps.gov/fova

3. Bout time

Roller derby returns as the Clark County’s Storm City Roller Girls will take on Chaos Theory from Eastern Washington in a home bout at 6 p.m. April 22 at the Clark County Event Center at the Fairgrounds, 17402 N.E. Delfel Road, Ridgefield. Doors open at 5 p.m. Roller derby is a fast, hard-hitting sport held on a flat track, drawing fans of all ages. Beer, wine and snacks will be available for purchase. Tickets are $10 to $12, free for ages 5 and younger, with $6 for parking. 503-953-6424, stormcityrollergirls.com or www.facebook.com/StormCityRollerGirls

4. Guilds of craft

More than 350 Northwest artists will be showcasing their work in beads, ceramics, fibers, glass, metals and wood at the Gathering of the Guilds, alongside the Oregon Potters Association’s Ceramic Showcase. Artwork will be on display and for sale from members of Creative Metal Arts Guild, Guild of Oregon Woodworkers, Oregon Glass Guild, Oregon Potters Association, Portland Bead Society and Portland Handweavers Guild. The showcase will feature daily artist demonstrations, live music, crafts and educational booths from 10 a.m. to 7 p.m. April 21; 10 a.m. to 5 p.m. April 22; 10 a.m. to 4 p.m. April 23 at the Oregon Convention Center, 777 N.E. Martin Luther King Jr. Blvd., Portland. Admission is free. 503-245-3551 or www.gotg-pdx.com

5. Purple daze

It’s the start of Lilac Days. Tour the blooming Hulda Klager Lilac Gardens and the historic 1880s Victorian farm home of lilac hybridizer Hulda Klager, who created multiple new varieties of the flower. Visitors can explore the farm house, gardens and gift shop, where lilac plants will be available for purchase and the gift shop will be filled with lilac inspired items. Lilac Days runs April 22 through May 14, open from 10 a.m. to 4 p.m. daily, at the Hulda Klager Lilac Gardens, 115 S. Pekin Road, Woodland. The grounds, potting shed and gardens are wheelchair friendly. Admission is $3, free for ages 12 and younger. 360-606-7359 or www.lilacgardens.com