Canada’s tar sands have gained infamy for being one of the world’s most polluting sources of oil, thanks to the large amounts of energy and water use required for their extraction.

Today, the roughly 2 million barrels of tar-sands oil produced each day in Alberta is sent to refineries in the U.S. and Canada via rail or small pipelines, none of which are adequate to carry the ...

A proposed expansion of a tar sands oil pipeline from Alberta to British Columbia has erupted into the largest controversy Canada has seen in years. The project’s proponents want to increase ...

Fossil Fuels Canada’s Tar Sands Are a Much Larger Source of Air Pollution Than Previously Thought, Study Says The research, published in Science, found the oil operations are releasing vast ...

SAN FRANCISCO (CBS SF) -- A group of scientists say a lack of publicly available information about the chemicals used to mine fuel from tar sands could hamper efforts to safeguard marine habitats ...

The European Parliament today (17 December) passed by just 12 votes controversial fuel quality rules that do not penalise imports of polluting tar sands oil from Canada. A protest against tar ...

Fossil Fuels 2016: Canada’s Oil Sands Downturn Hints at Ominous Future Low oil prices that caused project cancellations, as well as new climate policies, have activists seeing the beginning of ...

For Canada, the story of the tar sands' future hinges on the great economic pressure the country is feeling to bring its vast reserves of crude oil to market.. With more than 10 percent of the ...

But U.S. Oil Sands, which did not respond to requests for comment, is moving ahead with production, even as tar-sands producers in Canada struggle to make a profit as crude oil prices fall.. U.S ...

The extraction of crude oil from Canada's tar sands is a classic case of market forces vs. environmental concerns. Sometimes both sides can be compromised and "progress" and profit can roll ahead.

Canadian health authorities announced today that they would launch a "comprehensive" review of cancer rates in Fort Chipewyan, a small town 70 miles downstream of Canada's massive tar sands mines.

At a time when saying anything good about fossil fuels is like declaring war on the environment, it may seem like wishful thinking to press for an expansion of U.S. oil refining capacity. Yet it ...