St. Louis Earth Day Festival 2023 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 Green Dining Alliance restaurants. The 2022 festival brought in 15,000 attendees! This is a great event to showcase your commitment to sustainable dining, increase sales, and grow your customer base. Click the button below to sign up today! When: April 22-23, 2023 (11am-5pm both days) Where: Muny Grounds in Forest Park | |