Earth Day Cleanup & Mass Audubon Spring Kick-Off Saturday, 4.23

Cleanup, 10am-12noon. Come down to the park from 1-4pm for Mass Audubon’s Spring Season Kick-Off with fun art, nature and history activities! FREE.

Partners include Green Cambridge, Cambridge Wildlife Arts, Magazine Beach Partners, the Charles River Conservancy, the Charles River Watershed Association, The Plastic Tapestry Project, Communities Responding to Extreme Weather, Cambridge Community Development and the Cambridgeport Neighborhood Association.