The U.S. Environmental Protection Agency, also known as EPA, undertakes several research and assessment activities to protect the environment and human health. Established in 1970, the agency maintains a work force of more than 15,000 employees. The U.S. Environmental Protection Agency operates a network of over 20 regional offices and laboratories. The agency develops and enforces regulations, as well as gives grants to state environmental programs, nonprofit organizations and educational institutions. The U.S. Environmental Protection Agency educates people about various issues related to water, air, climate, green living and pollution. The agency operates the Coalbed Methane Outreach Program, which works to reduce the emission of methane from coal mining activities.