What's fracking and is it dangerous?

Jem demonstrates just what fracking involves, and then in a web exclusive extra asks Prof Mike Stephenson of the British Geological Survey if drilling into shale rock like this is dangerous.

Credits

Role Contributor
PresenterJem Stansfield
ExpertMike Stephenson
DirectorJack Rampling
Series ProducerPaul King
Executive ProducerTina Fletcher-Hill

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