How does fracking work Mia Nacamulli

View full lesson: Deep underground lie stores of onceinaccessible natural gas. Theres a technology, called hydraulic fracturing, or fracking, that can extract this natural gas, potentially powering us for decades to come. So how does fracking work and why is it a source of such heated controversy Mia Nacamulli explains the ins and outs of fracking. Lesson by Mia Nacamulli, directed by Sharon Colman.