From the tar sands of Alberta to the oil refineries of Texas, the Keystone XL pipeline poses an array of potential environmental and public health ris...

If President Barack Obama approves the Keystone XL project, the 875-mile pipeline extension from the oil sands in Alberta, Canada, through Nebraska co...

KANSAS CITY, Mo. -- Oil resumed flowing Monday afternoon through the Keystone oil pipeline that carries about 590,000 barrels of crude per day from Ca...

OKLAHOMA CITY (AP) — President Barack Obama is defending his energy policies in oil country, pointing to plans to fast-track an oil pipeline from Ok...

The Cornell Report is a roadmap to how the Keystone XL pipeline will pose an unprecedented threat to America's rivers, aquifers and agricultural and drinking water sources.

Republican lawmakers seem convinced that President Obama's handling of the Keystone project will fragment the support of his industry, union, and environmental backers and deal him a blow in an election year.

Both sides are hyping the presidential decision as pivotal, with Bill McKibben hailing it as "a brave decision" and Jack Gerard characterizing it as "a clear abdication of presidential leadership." Let's try to deconstruct the hype to assess what the decision really means.

Is it radical to care for our country, our world, our children and grandchildren, our future? It seems more radical for a government to come out swinging in favour of an industrial project in advance of public hearings into that project.

Will Rogers advised politicians to "never overlook a good opportunity to shut up." Congress should adopt his advice as it considers fast-tracking the Keystone XL pipeline: keep quiet and let the permit review proceed at its own pace.

The State Department has hit the brakes on a congressional plan to revive the controversial Keystone XL pipeline project, signaling Monday that it wou...

This week the GOP leadership, once again, has sided with Big Oil against the will of the American people.

As Keystone XL protesters savor their victory to postpone the pipeline project, another oil policy decision this week did not turn out so well; a plan to expand drilling operations in the oil-damaged Gulf and pristine arctic.

It's time we stood up, all of us, to say we won't put the American heartland at risk for a project that would wed our future to the past. We won't keep pushing to the ends of the Earth to feed our addiction to oil.

By Jeff Mason and Matt Spetalnick WASHINGTON (Reuters) - President Barack Obama said Tuesday health and economic factors would be taken into accoun...

Next Sunday we'll be circling the White House with people -- a kind of ring-around-Obama designed to remind him that he has serious support for blocking the Keystone Pipeline.

DENVER — President Barack Obama said Wednesday his administration has made no decision on whether a Canadian company can proceed with plans for ...

WASHINGTON -- Environmental groups filed suit against the Obama administration on Wednesday, alleging that U.S. federal officials illegally allowed wo...

Cars aren't merely symbols of power, but power itself, indispensable for countless purposes both life-affirming and pointless.

David L. Goldwyn, who until earlier this year had served as Secretary of State Hillary Clinton's Special Envoy and Coordinator for International Energ...

Carrying this dirty fuel across six states and the Ogallala Aquifer, the source for water for the American Heartland, is inviting disaster.

WASHINGTON — U.S. regulators have allowed a Canadian company to restart its Keystone oil pipeline after completing repairs and safety tests. Oi...