the u.s. senate appropriations subcommittee on interior, environment, and related agencies is one of twelve subcommittees of the u.s. senate committee on appropriations. it was formerly known as the subcommittee on interior and related agencies, but was renamed to reflect its jurisdiction over funding for federal environmental programs, and to more closely align the subcommittee with its counterpart on the house appropriations committee. the united states senate committee on appropriations has joint jurisdiction with the united states house committee on appropriations over all appropriations bills in the united states congress. each committee has 12 matching subcommittees, each of which is tasked with working on one of the twelve annual regular appropriations bills. this subcommittee has jurisdiction over the budget for the united states department of the interior and the united states environmental protection agency.