Certify your allegiance to sustainability during a Bitterroot Green Home Tour, a guided tour of five valley homes featuring solar power, composting toilets and more eco-friendly features from 9–4 PM. $10. Shuttle buses meet at Super 1 Foods in Stevensville and Hamilton at 9 AM. Tickets available at Cottonwood Market in Stevensville or Chapter One Bookstore in Hamilton. Call 207-3738.