If it is ever built, the Keystone XL Pipeline will exist for one reason: To move Canadian tar sands oil from remote Alberta to refineries in Texas. For the U.S., controversy over the tar sands is ...

Studies reveal that pollution levels from Canada's Athabasca oil sands are much higher than industry-reported, raising health and environmental concerns. Despite ambitious climate pledges, Canada ...

OTTAWA (Reuters) - Canada will boost monitoring of pollution from its oil-rich tar sands and hopes this will speed up Washington's approval of a proposed $7 billion pipeline to transport heavy ...

Southeast Texans have no reason to oppose a plan to bring tar sands from Canada to Nederland via pipeline. In fact, they should welcome the proposal. The plan meshes with the region's existing network ...

WASHINGTON, June 24 (Reuters) - An environmental group on Wednesday asked U.S. Secretary of State Hillary Clinton to deny permits for pipelines that would bring oil from Canada's tar sands to the ...

A report on Canada's oil sands by a nationalist, non-industry group is calling for a five-year ban on new projects until a plan is developed to use the resource to help the country switch to a ...

U.S. environmental groups are highlighting their objections to importing Canadian tar sands-based oil as House Speaker Nancy Pelosi (D-Calif.) meets Wednesday evening with Canadian officials on the ...

President Obama should not support Canada's request to exempt tar sands development from environmental regulation. Tar sands development is causing tremendous environmental damage to Canada's boreal ...