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  2. Oil sands - Wikipedia

    en.wikipedia.org/wiki/Oil_sands

    Naturally occurring bitumen is chemically more similar to asphalt than to coal tar, and the term oil sands (or oilsands) is more commonly used by industry in the producing areas than tar sands because synthetic oil is manufactured from the bitumen, [20] and due to the feeling that the terminology of tar sands is less politically acceptable to ...

  3. Environmental impact of the oil shale industry - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    Carbon dioxide emissions from the production of shale oil and shale gas are higher than conventional oil production and a report for the European Union warns that increasing public concern about the adverse consequences of global warming may lead to opposition to oil shale development. [1] [3] Emissions arise from several sources.

  4. Health and environmental impact of the petroleum industry

    en.wikipedia.org/wiki/Health_and_environmental...

    An oil spill is the release of a liquid petroleum hydrocarbon into the environment, especially marine areas, due to human activity, and is a form of pollution. The term is usually applied to marine oil spills, where oil is released into the ocean or coastal waters, but spills may also occur on land.

  5. The Oil Sands Have a Green Future - AOL

    www.aol.com/2013/10/07/is-there-hope-dirty-oil

    The European Union's recent estimates that Canada's oil sands produce 22% more greenhouse gases (GHGs) than conventional crude have sent both sides into a war of words. Current and future industry ...

  6. Old, small and CO2-intense: why Canada's highest-carbon oil ...

    www.aol.com/news/old-small-co2-intense-why...

    In the shadow of Canada's mega oil sands projects, smaller, technologically outdated facilities produce up to three times more emissions per barrel than the already high sector average- and rising ...

  7. 3 Strikes Against Oil Sands - AOL

    www.aol.com/news/2013-12-11-3-strikes-against...

    TransCanada's Keystone XL pipeline and the Canadian oil sands products it's meant to carry were already a couple of albatrosses in the public's eyes, but three recent developments just added more ...

  8. Oil sands tailings ponds (Canada) - Wikipedia

    en.wikipedia.org/wiki/Oil_sands_tailings_ponds...

    Oil sand tailings or oil sands process-affected water (OSPW), have a highly variable composition and a complex mixture of compounds. [4] In his oft-cited 2008 journal article, E. W. Allen wrote that typically tailings ponds consist of c. 75% water, c. 25% sand, silt and clay, c.2% of residual bitumen, as well as dissolved salts, organics, and minerals.

  9. Are We About to See a Big Turnaround for Oil Sands? - AOL

    www.aol.com/news/2013-11-10-are-we-about-to-see...

    This past quarter, Devon Energy , ConocoPhillips , and Suncor all posted better-than-expected results from their oil sands or thermal oil or bitumen operations (Side note: We sure have come up ...