heavy oil and tar sand: Media
Videos
The environmental impact of Canada's oil sands industry
Learn about the environmental impact of tar-sand (also called oil-sand) extraction,...
The environmental impact of oil refineries in Canada
Learn about efforts to minimize the environmental impact of tar-sand (also called...
Images
Arabian-Iranian basin oil fields
Major oil fields of the Arabian-Iranian basin region.
Encyclopædia Britannica, Inc.
northern Eurasian oil and gas fields
Sedimentary basins and major oil and gas fields of Europe, Russia, Transcaucasia,...
Encyclopædia Britannica, Inc.
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