The Environmental Protection Agency (EPA) is a United States government agency responsible for protecting human health and the environment. Established in 1970, the EPA enforces regulations based on laws passed by Congress, focusing on air and water quality, hazardous waste management, and chemical safety. The agency conducts research, monitors environmental conditions, and works with state and local governments to implement policies aimed at reducing pollution. Through its various programs, the EPA plays a crucial role in ensuring a cleaner, healthier environment for current and future generations.