TED-Ed: How Does Fracking Work?

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TED-Ed: How Does Fracking Work?

Technology  called hydraulic fracturing, or “fracking,” can extract the deep underground natural gas, used for power.

So how does fracking work and why is it a source of such heated controversy?

Mia Nacamulli explains the ins and outs of fracking and why and how it can contaminate groundwater. 

Source: TED-Ed

Attached link

http://www.youtube.com/embed/Tudal_4x4F0

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