More than 20 Afghans were killed in the attacks.
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.
State regulators are still wading through the results of oil and gas flowline inspections in the wake of a deadly explosion.
Anadarko Petroleum will permanently disconnect other pipelines in the area like the one blamed in the explosion.
Officials say the controversial pipeline leaked about 84 gallons of crude oil at a South Dakota pump station in early April.
State records show Colorado has only three people assigned to check on the safety of pipelines running from about 54,000 active oil and gas…
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.