Congress established the Environmental Protection Agency in 1970 to enforce national environmental preservation goals. The EPA enforces such laws as the Clean Air Act, the Endangered Species Act and the Safe Drinking Water Act. The EPA also conducts research about many environmental issues. The EPA sites holds a wealth of information, from acid rain to water pollution. Browse the EPA Topics or click on Your Community. Here you can type in your zip code to find environmental facts about your neighborhood, such as pollution, hazardous waste and a UV index forecast.