Solar panels
John Prettyman/U.S. Army Corps of Engineers
Solar panel arrays form a canopy at a construction site in Fort Hunter Liggett, Calif., March 12, 2013. U.S. Army Corps of Engineers/Flickr. Creative Commons 2.0.
Solar panels
John Prettyman/U.S. Army Corps of Engineers
Solar panel arrays form a canopy at a construction site in Fort Hunter Liggett, Calif., March 12, 2013. U.S. Army Corps of Engineers/Flickr. Creative Commons 2.0.