Citizen concern over the extent of uncontrolled or abandoned hazardous waste sites in the United States "led Congress to establish the Superfund Program in 1980 to locate, investigate, and clean up the worst sites nationwide." At this website, users can discover the history of the program and its great accomplishments. Visitors can learn about safety tips, the emergency response program, and the hazards of exposure to contaminants. The Superfund for Kids link provides activities and stories aimed at educating children ages three and up about the basics of the program. With the EnviroMapper, individuals can locate and find information about finalized and proposed Superfund sites in their area.