Earth Day at The Muny

The St. Louis Earth Day Festival is a community tradition to learn about sustainable products and services offered by local businesses and organizations, meet local area non-profits that share Earth Day values, as well as showcasing local entertainment and local restaurants. Location: Muny Grounds in Forest Park Dates: April 25-26, 2026 11 am – 5 pm both days NOTE: This event does NOT take place at the Saint Louis Science Center. Learn more about the St. Louis Earth Day Festivial   Be sure to check out all our other community events