Volunteers are needed to join the Watershed Alliance’s tree planting from 9 a.m. to noon March 9 at a wetland mitigation site in the Port of Camas-Washougal industrial park. Meet near Recluse Brew Works at 4035 S. Grant St., Washougal. Wear long pants, sturdy shoes and bring water and snacks. Register at thewatershedalliance.org/events.