U.S. Army Master Sgt. Fred Jerry, 93rd Signal Brigade operations noncommissioned officer in charge, picks up leaves at the Outdoor Recreation Campground as Soldiers of the 93rd Signal Brigade cleaned the area in support of Earth Week at Fort Eustis, Va., April 23, 2013. The first Earth Day led to the creation of the U.S. Environmental Protection Agency and the passage of the Clean Air, Clean Water and Endangered Species Acts. (U.S. Air Force photo by Airman 1st Class R. Alex Durbin/Released)