WEST COVINA, CA - SEPTEMBER 29, 2013: An aerial view of the former BKK Corporation Landfill in West Covina, California. The former landfill site now houses a sports complex, commercial space and a nature preserve. According to the U.S. Environmental Protetion Agency (EPA), the landfill accepted hazardous wastes from 1972 until 1984. A multi-million dollar lawsuit filed by nearby residents was settled in 1986. (Photo by Robert Alexander/Getty Images)
