National Public Radio: As the wind whips across the scrub grass in southern Argentina, a crane unloads huge bags of artificial sand for oil workers preparing for the hydraulic fracturing, or fracking, of a well. Water mixed with chemicals and tiny ceramic beads are then blasted underground at high pressure. This mixture helps create fissures, allowing oil and natural gas to flow. Energy analysts believe there are billions of barrels of oil and gas buried in a desert-like patch in Patagonia. In many places in the...
URL: http://www.npr.org/2012/05/26/153726328/from-canada-down-to-argentina-the-oil-flows
Enclosure: http://www.npr.org/player/v2/mediaPlayer.html?action=1&t=1&islist=false&id=153726328&m=153762099
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