LOS ANGELES, CA - SEPTEMBER 07:  A classroom at the Carson-Gore Academy of Environmental Sciences is seen on September 7, 2010 in Los Angeles, California. The $75.5-million elementary school, which was named after former vice president Al Gore and pioneering environmentalist Rachel Carson, and which will open September 13 for about 675 students, was built atop an environmentally contaminated piece of real estate. Construction crews replaced the toxic soil, which contained more than a dozen underground storage tanks, with clean fill over the Labor Day weekend.  (Photo by Kevork Djansezian/Getty Images)