Earth Day Celebration April 13,1PM-4PM at the ISU Extension Office in Knoxville. Join MCCD and Earth Sweep in celebrating Earth Day with a fun and educational event for the whole family! Our celebration includes live Insects & turtles, special speakers from the Recycling Center and Iowa State Archeologist, stories, crafts, educational displays and door prizes. Visit mycountyparks.com/County/Marion/Events for all the details.