I don't know about you, but I've been wondering what fracking exactly is... And I haven't found a satisfactory and easy-to-follow explanation about the topic yet. Thankfully I found this self-explanatory video, which, I admit, I've had to watch more than once (I won't confess how many times!). I hope you too find it interesting:
And now watch this CNN video, very clear and well-explained too:
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