A U.S. district judge has issued an order blocking construction of the controversial transnational Keystone XL Pipeline until the State Department conducts further study of its impact on the ...

The Supreme Court on Thursday cleared the way for construction of the controversial Mountain Valley Pipeline to proceed, granting an emergency request from backers of the project that has the ...

A federal judge in Montana issued a “landmark” ruling temporarily blocking construction on the controversial Keystone XL Pipeline Thursday in a decision welcomed by environmental groups.