(Sioux Falls, SD) — The city of Sioux Falls is looking for volunteers to participate in the ninth annual Big Sioux River Greenway Cleanup. The event takes place on April 20th ahead of Earth Day which on the 22nd. Volunteers will be doing their part by picking up trash and debris surrounding the Big Sioux River Greenway. The cleanup will be followed by an Earth Day Festival that will be held in the afternoon at Great Bear.
