A young volunteer keeps track of the trash that his family collects during the Earth Day cleanup on Tarague Beach at Andersen Air Force Base, Guam, April 21, 2013. In celebration of Earth Day, the 36th Civil Engineer Squadron environmental flight facilitated a beach cleanup, displayed natural, cultural and historical exhibits, offered educational games and gave out prizes to promote environmental awareness. (U.S. Air Force photo by Airman 1st Class Marianique Santos/Released)