Experts warn an oil embargo could have a dire impact on the country's 25 million people.
The commission voted 3-2 to approve TransCanada Corporation's plan to run the Keystone XL pipeline route through the state.
Officials say the controversial pipeline leaked about 84 gallons of crude oil at a South Dakota pump station in early April.
The New York State Department of Environmental Conservation and National Fuel are at a disagreement over the Northern Access Pipeline project…
Secretary of State Rex Tillerson has recused himself from anything related to the Keystone XL oil pipeline.
Here's a look at the environmental policy changes that have happened so far under President Trump.
Protesters have at times clashed with police, leading to nearly 700 arrests since the tribe set up the encampment on federal land.
After President Trump signed memorandums to move forward on the Dakota Access and Keystone XL pipelines, activists met at the White House.
A faithless elector in Washington state voted for Faith Spotted Eagle for president.
The request came a day after the U.S. Army Corps of Engineers said it would look into alternative pipeline routes.
The U.S. Army Corps of Engineers announced it will not allow the easement necessary for the Dakota Access Pipeline to be built near reservation lands.
Sanders called for action from the president as more than 300 cities across the world held #NoDAPL rallies.