Thousands Volunteer for River Clean Up Posted on September 19, 2011November 29, 2013 by Samantha Janssen Locals gathered at river parkways throughout the greater Milwaukee area to pick up trash, litter, and random debris in the Milwaukee Riverkeeper Annual Spring River Cleanup. In honor of Earth Day, volunteers braved a grey sky and windy drizzle to spend three hours cleaning the Milwaukee River Basin area. Some came with groups of friends, […]