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 ...

SHAGHAYEGH TAJVIDI, TRNN PRODUCER: Last week, 13 cities across Canada participated in a day of solidarity with the tar sands blockade in Hamilton, Ontario. Their activists had taken over North ...

BRUSSELS (Reuters) - Canada has threatened to scrap a trade deal with the European Union if the EU persists with plans that would block imports of Canada's highly polluting tar sands, according to EU ...

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 ...

FORT MCMURRAY, Alberta -- Along the Athabasca River of remote northern Alberta is an engineer's dream -- miles of gigantic projects turning once unrecoverable oil from Alberta's tar sands into black ...

While politicians, environmentalists and Big Oil fight over the Keystone XL pipeline, the Bay Area's five refineries have quietly moved toward transporting controversial Canadian tar sands crude oil ...

In Northern Alberta, Canada, sit the Athabasca tar sands—the world’s largest known reservoir of crude bitumen, and a major driver of Canada’s economy. The vast majority of Canadian oil production ...

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 ...

A resource that is undergoing intensive development in Canada is drawing renewed interest in eastern Utah, where any of a number of companies soon could become the first in the United States to ...

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 ...