Vol Greenpeace2018
Explains the scope and nature of the Alberta tar sands in western Canada - oil fields and mines covering an area larger than England with lakes created by the runoff of chemicals. This oil extraction process is difficult because the oil (bitumen) is heavy and has to be brought to the surface using huge amounts of water. It is a major contributor to global warming as well as polluting indigenous lands and the local environment. Greenpeace notes that resistance was mounting to the pipeline projects linked to tar sands, including Keystone XL, and the Transmountain Expansion pipeline.
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