In a recent interview with The Guardian, former vice-president Al Gore made his opposition to the Keystone XL pipeline clear. "This whole project [...

TORONTO -- Outgoing U.S. ambassador to Canada David Jacobson says the Obama administration knows how important the controversial Keystone XL pipeline ...

LINCOLN, Neb. (AP) — A judge has ruled that opponents of the Keystone XL pipeline in Nebraska can proceed with their legal challenge to a state law ...

Environmental advocates are mounting pressure against the U.S. State Department over a Keystone XL review process they say is "plagued by conflicts of...

Former TransCanada Corp. employee Evan Vokes' impassioned testimony before a Canadian Senate committee last week painted "a very, very bleak picture o...

In yet another investigation into the Obama Administration's activities, the State Department Inspector General is probing the conflicts of interest surrounding the contractor that performed the Keystone XL review.

Talking points being circulated by Organizing for Action, President Barack Obama's former campaign arm that now operates as a nonprofit organization s...

WASHINGTON -- Environmental groups on Monday announced a new ad campaign that highlights ExxonMobil's massive oil spill in Arkansas last month. The ad...

WASHINGTON -- The State Department has drastically underestimated the damage the Keystone XL pipeline will do to the global climate, according to new ...

Tar sands expansion rewards the oil industry while putting us all at risk of oil spills and climate change. That's a raw deal by any calculation.

Encouraged by the passage of a Senate budget amendment to approve the construction of the Keystone XL, Rep. Lee Terry (R-Neb.) is touting his support ...

When Meghan Hammond imagines the Keystone XL pipeline, she can't help but think of the Kalamazoo River. "The oil is still not cleaned up," said Ham...

President Obama may approve the controversial Keystone XL pipeline later this year, but that hasn't stopped him from accepting money from activists lo...

Plumes of smoke, billowing in various shades from white to black, frequently fill the skies over the Manchester neighborhood of Houston. It's no wonde...

Rumor has it the U.S. Senate will consider a budget bill provision to approve the Keystone XL tar sands pipeline. Here's what they need to share with their constituents.

WASHINGTON -- The battle over the Keystone XL is threatening to impinge upon the U.S. Senate race in Massachusetts, with California billionaire Thomas...

Maya Lemon, a 23-year-old from Nacogdoches, Texas, grew up just a few miles away from the path of the Keystone XL pipeline's southern arm. Now an o...

WASHINGTON -- Rep. Paul Ryan (R-Wis.) on Tuesday released his budget proposal calling for approval of the Keystone XL pipeline and slashing the discre...