Volunteers participate in planting during a small, socially distanced Arbor Day event on Oct. 17 at Pioneer Park. The city teamed with EarthCorps for the city’s third annual Arbor Day celebration. Andy Nystrom/ Reporter

An EarthCorps member and volunteers plant away on Oct. 17. Two small, socially distanced events took place on Arbor Day at Pioneer Park. Andy Nystrom/ Reporter

Mercer Island Deputy Mayor Wendy Weiker, left, and natural resources specialist Kim Frappier plant a western red cedar. Courtesy photo