(DC) (Rock Creek Conservancy) Join Rock Creek Conservancy, the National Park Service, and Stream Team Leader Zoë Abrahm for this litter removal restoration event. Trash is the visible form of stormwater pollution, a major threat to water quality and park health and its removal makes the parklands cleaner, safer, and more beautiful for all. Event location, directions, and information will be sent from the event leader 48 hours prior to the event.