Fracking rigs like this one pictured in the United States inject water and chemicals into rock formations deep underground to release oil and gas

Fracking rigs like this one pictured in the United States inject water and chemicals into rock formations deep underground to release oil and gas

Britain's Labour government plans to permanently ban fracking, a highly controversial method of extracting fossil fuels, due its environmental impact, Energy Secretary Ed Miliband said Wednesday. 

Although there is a moratorium on fracking already in place due to concerns it could trigger earthquakes, fracking is not yet fully banned in law.

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