(DC) (Anacostia Watershed Society) Join Casey Trees, Friends of Anacostia Park, and Anacostia Watershed Society for a service day and celebration in honor of Earth Day and Arbor Day! Your help with caring for these vulnerable trees will give them a leg up in becoming a permanent part of our tree canopy and park space. We will provide all the necessary tools and supplies to care for trees. After learning the tools and techniques, participants will begin caring for trees throughout the park.