Watching the Oil Sands Develop Over Time

National Geographic has put together a series of satellite images that show development of oil sands in Canada. A pipeline from there to Texas is currently under consideration:


Today, the Canadian oil sands, also called tar sands, are recognized as one of the largest reservoirs of petroleum in the world. But extracting the resource from this unique geological formation is costly-both economically, and environmentally. It takes a great deal of labor, energy, and water to squeeze the thick, sticky bitumen from the ancient mix of sand, clay and water. Only the surging oil prices of the past decade have made the oil sands business feasible.

Read more at: news.nationalgeographic.com

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