It’s a working celebration of the Earth! Bring your friends and spend a morning helping in our park followed by a community lunch. Meet new people and have fun helping the Earth. Come Saturday, April 21 from 9 a.m. to 12 p.m. to Urban Ecology Center at Riverside Park, 1500 E. Park Place. Family hikes and service projects are also available at 9:30 and 11am.