Clark County’s Composter Recycler program is offering a series of free workshops about composting and sustainable living strategies. The next workshop is “Low Waste Chef,” from 6-7 p.m. May 21 at Bridgeview Resource Center, 505 Omaha Way, Vancouver. Learn how to save money and prevent food waste with tips on food storage, shopping and cooking with leftovers. Register at clarkcountycomposts.org/classes-and-workshops/current-offerings.