The Unites States Department of the Interior is the federal agency responsible for the preservation, protection, and advancement of the nation’s natural resources. The Department manages one of every five acres of land in the United States, providing opportunities for wilderness, wildlife protection, recreation, and resource development. Water for much of the West is supplied so that farmers can grow food and people can turn on their taps. The department provides access to energy and minerals so that people can warm and cool their homes, and drive to their jobs. It honors special responsibilities to American Indians, Alaska Natives, and affiliated Island communities. Finally, DOI protects wildlife and improves the environment. The agencies of DOI include U.S. Fish and Wildlife Service, the National Park Service, the U.S. Geological Survey, the Bureau of Land Management, the Bureau of Indian Affairs, and the Office of Surface Mining.