Environmental Protection Agency (EPA)

Clean Air Act: Federal law designed to control air pollution on a national level from both stationary sources (like factories) and mobile sources (like cars).

Superfund Sites: Any land in the United States that has been contaminated by hazardous waste and identified by the EPA as a candidate for cleanup because it poses a risk to human health or environment.

Endangered Species Act: A key legislation for both domestic and international conservation which aims to provide a framework to conserve and protect endangered species.