If you are interested in volunteering to clean the National Parks, you can request for a Free Alt National Park Service Clean Up Kit!
Clean Up Kits includes: Biodegradable bright green colored bags, Washable bright-colored gloves, Reflective vest, Sunscreen, Purell Hand Sanitizer bottle (Dependent Upon Avaliability), Purell Hand Sanitizing Wipes (Dependent upon availability), First Aid Kit & Restore Our Parks bumper sticker!