The long-delayed Keystone XL pipeline got a major boost on Friday as a key State Department review raised no major environmental concerns, muting pipeline foes' main argument and raising pressure on ...

A coalition of environmental groups is challenging the federal permit for the Keystone XL oil pipeline in court because they say additional environmental scrutiny is needed. The Sierra Club joined ...

The proposed Keystone XL crude oil pipeline's construction and operation would not have significant environmental impacts, the US Department of State said in its long-awaited final supplemental ...

Last February, environmental leaders were arrested at the White House in an attempt to pressure President Obama to reject the controversial Keystone XL oil pipeline. (From left to right: Sierra Club ...

The Keystone XL Pipeline is officially dead. Last week, President Barack Obama rejected the proposed pipeline, wrapping things up after years of staying firmly undecided on the issue. “The State ...

Alec Johnson, 61, was arrested in April in Oklahoma for locking himself to construction equipment being used to build the southern leg of the Keystone pipeline. Credit: Great Plains Tar Sands ...

Everything old is new again, the latest manifestation of which is the reaction of the environmental Left to the news that President Donald Trump has issued presidential memoranda and an executive ...

The proposed Keystone XL crude oil pipeline’s construction and operation would not have significant environmental impacts, the US Department of State said in its long-awaited final supplemental ...

OMAHA, Neb. — A coalition of environmental groups challenged the federal permit for the Keystone XL oil pipeline in court on Thursday because they say additional environmental scrutiny is needed. The ...