Hydraulic fracking, the process by which natural gas is extracted from the earth, could create as much as twice the amount of greenhouse gas pollution as coal, according to a recent study at Cornell University.
Prior to the study the general consensus was that fracking was safer and more environmentally friendly than coal. Even US President Barack Obama applauded natural gas as a true clean energy standard.
But, that view may have changed. Cornell Prof. Robert Howarth argued in a new study that the process which makes natural gas available actually contributes more to global warming than conventional coal. The gas may burn clean, but the process of obtaining it is dangerous to the environment.
http://rt.com/usa/news/fracking-coal-natural-gas-damaging/
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