BBC Radio Manchester is looking at the issue of Fracking. We look at where we get our energy from now and in the future

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We've heard quite a bit about fracking in recent months - this is the controversial technique of drilling for natural gas. And all this week on BBC Radio Manchester we're taking a closer look at the issue in our series called "Fracking: The Big Questions". Critics say fracking is dangerous but the Government says exploiting shale gas reserves could help keep our energy bills down. In the first of his reports, BBC Radio Manchester's Mat Trewern looks at where we get our energy from now, where we may get it from in the future - and what it all means to you.