DraftCMC2013: Iniciació a la ciència

FRACKING

Hydraulic fracturing, also known as fracking, is the process of pumping wàter and chemicals underground to fracture rocks and release natural gas. In the United States, and Europe there is a heated debate over the safety of these practices and whether they ara hazardous to the environament and públic health. Activists say fracking is contaminating the ground wàter supply and reducing air quality. But fracking proponents argue that increased natural gas exploration could reduce the dependence on oil while creating thousands of jobs. Fracking has spread to other countries including Canada and others are comsidering that the method to tap into natural gas reserves.

DraftCMC2013

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dijous, 14 de febrer del 2013

Iniciació a la ciència

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FRACKING

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