Department of the Interior
- A division of the federal executive branch that has responsibility for federally owned lands and natural resources, as well as for the communities residing on American Indian reservations. Its work includes leasing offshore areas for energy and mineral development, managing federal water and power resources, and examining, mapping, and classifying public lands
- The Department of the Interior is tasked with the conservation of federal lands and natural resources.
- The National Park Service, which is overseen by the Department of the Interior, manages over 400 federal recreational areas including historic sites.
- One of the responsibilities of the Department of the Interior is to regulate offshore areas for energy and mineral development through the Bureau of Ocean Energy Management.