That said, do we approve of tar sands extraction? The environmental issues ... its impact on the global oil market. Extracting an extra million barrels of oil from Canadian tar sands wouldn ...

In other words, an area larger than Connecticut stands to be affected by tar sands extraction. As oil prices continue to rise, investors are throwing more and more money into tar sands expansion.

“It’s weeping oil,” says Clark, a geologist with a Canadian firm called Petroteq Energy that is poised to extract marketable crude from tar sands south of Vernal on aptly named Asphalt Ridg ...

This slurry is then taken to facilities to extract the bitumen ... it takes large quantities of energy to access tar sands oil. Approximately 14-25% of the energy obtained from tar sands is ...

Tar sands, also known as bituminous sands or oil ... The process can also be used to extract oil and tar from beach sand after oil spills such as the Deepwater Horizon disaster in the Gulf of ...

Of the many problems with this project, the greatest one stems from the energy approach driving its construction: bitumen extraction from Alberta's tar sands. Tar sands oil is produced through a ...

The price of crude oil has slumped to its lowest point in six years, and that has sent some major oil companies scrambling to get out of expensive tar-sands projects in Alberta, Canada. Shell has ...

Energy-intensive tar sands production in Canada that requires steam to liquefy and extract the oil is expected to increase by 9 percent in 2016, according to the Canadian National Energy Board.

If the Obama administration approves the pipeline project, even more tar-sands oil extraction is likely in Alberta [PDF] — and even more spills. Grist is the only award-winning newsroom ...

GUFF’s proposal argues that investments in tar sands oil extraction are inconsistent with the university’s Socially Responsible Investing policy, approved by Georgetown’s board of directors last June, ...

In other words, 25 units of oil-based energy are obtained for every one unit of other energy that is invested to extract it. But tar sands oil is in a category all its own. Tar sands retrieved by ...

Instead of selecting a picture of an open tar sand pit, the creator of this ... Other pictures show very different views of oil sands extraction sites, such as this 2009 National Geographic ...