A free, family-friendly zero-waste festival featuring family activities, live performances, food, and exhibits toward environmental awareness. This event celebrates the city and showcases solutions that address drought, climate change, and environmental concerns in the community with more than 50 exhibitors, local/earth-friendly products, and giveaways. Kids’ activities and crafts. Beer and wine garden. Free bike parking. Noon-4 p.m. Saturday, April 26. Courthouse Square, 100 Santa Rosa Ave., Santa Rosa. Fare-free transit on Santa Rosa CityBus, Petaluma Transit, and Sonoma County Transit. Learn more at tinyurl.com/52842t2c.