All events for St. Louis Earth Day Festival « All Events « Previous Events April 2024 St. Louis Earth Day Festival April 20 @ 11:00 am - 5:00 pm|Recurring Event (See all)An event every day that begins at 11:00 am, repeating until April 21, 2024 The Muny at Forest Park, #1 Theater Dr. St. Louis, MO , 63112 + Google Map Find out more » St. Louis Earth Day Festival April 21 @ 11:00 am - 5:00 pm|Recurring Event (See all)An event every day that begins at 11:00 am, repeating until April 21, 2024 The Muny at Forest Park, #1 Theater Dr. St. Louis, MO , 63112 + Google Map Find out more »