The development of "oil shale" (not to be confused with "shale oil") and "tar sands" has been shown to be environmentally destructive, and water and energy intensive. Extracting oil from U.S. public ...

The latest leak in the Keystone oil pipeline in North Dakota on Tuesday continues the troubled history of the 15-year-old ...

Tar sands oil — even the name sounds bad. And it is bad. In fact, oil from tar sands is one of the most destructive, carbon-intensive and toxic fuels on the planet. Producing it releases three times ...

The targeted pipelines carry a particular type of heavy, high-carbon crude oil from Canada's tar sands region in Alberta. Nine people, including filmmakers, were arrested and removed from the ...

The Keystone pipeline—which carries hundreds of thousands of barrels of crude oil nearly 2,700 miles from the Alberta tar sands to refineries in Illinois and Oklahoma daily—was abruptly shut down ...

along with a sign that read "World's Dirtiest Oil: Stop the Tar Sands." The U.S. imports more oil from Canada than from any other nation, about 19 percent of its total foreign supply, and around ...

Oil refineries along the Athabasca River in ... Image via Google Earth. An Indigenous Tar Sands healing walk took place in 2013. This remote region in northern Alberta was a land of boreal forests ...

Today it costs around $10 to produce a barrel of oil from tar-sands, down 300% from three decades ago. At the forefront of this trend is Lexington Energy Services Inc., one of Canada’s fastest ...

The 2,700-mile-long (4,350-kilometer-long) pipeline originates in Alberta, Canada, and carries heavy tar sands crude oil south across the Dakotas and Nebraska before splitting to carry oil both to ...