One of the World's Dirtiest Oil Patches Is Pumping More Than Ever - WSJ
Who benefits? An investigation of foreign ownership in the oil sands - Stand.earth
Alberta, Canada's oil sands is the world's most destructive oil operation—and it's growing
The Desire to Stop Canadian Tar Sands Transcends Borders | NRDC
Oil sands - Wikipedia
A Pipeline Controversy Explained: Is Washington Now in the Tar Sands Crosshairs? - Sightline Institute
How Fracking Boosts the Tar Sands - Oil Change International
Oil Sand Industry in Canada Tied to Higher Carcinogen Level - The New York Times
We Love You, Alberta—Just Not Your Tar Sands | The New Yorker
Alberta, Canada's oil sands is the world's most destructive oil operation—and it's growing
Oil for Export: Tar Sands Bitumen Cannot be Refined in Eastern Canada | The Narwhal
What Are Tar Sands? | Union of Concerned Scientists
What are tar sands? | American Geosciences Institute
How Things Work: Canada's Oil Sands - Our World
Researchers find 7,300-sq-mile ring of mercury around tar sands in Canada | Al Jazeera America
Feds Suspend Dirty Tar Sands Plan in Utah | Grand Canyon Trust
Canada attacks EU data labelling tar sands as dirty – EURACTIV.com
Tar Sands & Pipelines - BlackRock's Big Problem
Alberta Tar Sands | gogel
Post-Apocalyptic Destruction of the Tar Sands: Alberta from Above
Unexamined risks from tar sands oil may threaten oceans | Stanford News
Sweden takes Canada to task over tar sands pollution
Canada's oil sands: why some of the world's dirtiest fuel is now in hot demand | Financial Times
Web Exclusive: Is it tar sands or oil sands? - A\J
