Larry Long founded the Mississippi River Revival, a campaign to clean-up the Mississippi River. With his voice and guitar Larry organized communities from the head waters at Lake Itasca to Dubuque, Iowa. Through this period Larry produced over twenty river festivals, hauled hundreds of tons of trash out of the river with community volunteers along the upper Mississippi River, worked with Governor Perpich to create the clean rivers movement in Minnesota, and traveled the length of the Mississippi River with Heart of the Beast Puppet & Mask Theater.