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Will Canada reduce oil extraction in the tar sands?

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Destruction of carbon-dense forests such as the boreal is a major contributor to climate change because the carbon stored in tree trunks and roots will eventually find its way back into the atmosphere after trees are cut down. read more

Tar sands are mined and processed to generate oil similar to oil pumped from conventional oil wells, but extracting oil from tar sands is more complex than conventional oil recovery. Oil sands recovery processes include extraction and separation systems to separate the bitumen from the clay, sand, and water that make up the tar sands. read more

“We were one of the leading groups to look at the unique risks tar sands oil poses during extraction, refinement, and transportation via rail and pipeline,” Droitsch says. Tar sands extraction emits up to three times more global warming pollution than does producing the same quantity of conventional crude. read more

But oil from Canada’s tar sands is much more harmful than oil extracted conventionally. Tar sands, also known as oil sands or bituminous sands, are a naturally occurring mixture of sand, clay, water, and viscous petroleum, or bitumen. read more

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Pollution From Canadian Oil Sands Vapor Is Substantial ...
Source: nytimes.com