The Clack County Composter Recycler program is offering free, hands-on instruction about composting from 10 to 11:30 a.m. May 1 at the compost demonstration site at the 78th Street Heritage Farm, 1919 N.E. 78th St. in the Hazel Dell area of Vancouver. Learn more and register at clarkcountycomposts.org/classes-and-workshops/current-offerings/863-composting-field-training-instruction-5.