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‘Fracking’ gas extraction spurs controversy

John Kerr posted in on August 11th, 2011.

A high-pressure method for extracting oil and natural gas has been gaining attention as its use is grows in New Zealand. Hydraulic fracturing, known as ‘fracking’ or ‘fraccing’, is a mining process which involves pumping mixtures of water, sand and chemicals into bore holes to break apart rock seams containing oil and natural gas. Recent […]

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