Clark County’s Composter Recycler program is offering a series of free workshops about composting and sustainable living strategies. The next workshop is “Green Cleaning,” from 6-7:30 p.m. April 23 at Waste Connections of Washington, 9411 N.E. 94th Ave., Vancouver. Participants will learn how to make three versatile household green cleaners. Attendees will be eligible to create a green cleaning kit at no cost. Register at clarkcountycomposts.org/classes-and-workshops/current-offerings.