Fracking (December 26, 2012)
Synopsis
Fracking is a way to extract natural gas out of underground shale deposits. This method is cheaper than traditional drilling, but environmentalists are concerned over the increase of water pollution caused by fracking due to poor well integrity.
Source: BBC
Length: 6:54
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Watch the video and answer the following questions:
Credit: Video provided by BBC Worldwide Learning
Why is natural gas a fast-growing energy resource?
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Hydraulic fracturing ("fracking") of rock is a technique of extracting fossil fuels that has been used for over 60 years.
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In order to extract natural gas, which techniques are used?
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What is the most likely way that the water table can become contaminated with gases such as methane and ethane?
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Landowners are granted full disclosure of the chemicals that are used in the pressurized water.
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