More regulation needed for Canada oil sands
Reuters
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CALGARY, Alberta, March 17 - Steam-driven projects to extract crude from Canada's oil sands, often held up as more environmentally friendly than mining, have major drawbacks of their own that require more stringent regulation to fix, an environmental think tank said on Wednesday.
The Alberta-based Pembina Institute compared nine projects that employ "in situ" extraction methods -- where steam is pumped into the earth to liquefy the extra-heavy crude so it can be pumped to the surface -- and found all need to make improvements to varying degrees.
"The impacts of in situ have sort of been framed as low-impact oil sands development, but when you look at the data that isn't actually borne out," said Simon Dyer, one of the authors of the report, called "Drilling Deeper."
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