The EPA was going to delay Obama-era regulations on oil and gas wells, but a lawsuit from six environmental groups stopped it.
The U.S. Army Corps of Engineers says all Dakota Access Pipeline protesters have until Dec. 5 to leave the area.
The Obama administration has blocked energy companies from drilling in U.S.-owned parts of the Arctic Sea.
A judge stopped construction on parts of the Dakota Access Pipeline on one side of a local highway.
Officials say two ballot measures to change drilling regulations failed to get enough signatures to get on the fall ballot.
The Department of the Interior's new proposal won't let oil companies access the East Coast, but it does leave open some areas of the Arctic Ocean.
Colorado regulators have approved new rules intended to give local governments a limited say in the location of large oil and gas facilities.