It is about our natural environment, you know the one on which we all depend. And it's about WATER which is the most critical element in survival on this planet. Mark did not exaggerate the urgency of this "fracking" problem. If you haven't yet seen "GasLand" by Josh Fox, you really should view it now and act. The drinking water you depend upon is at stake, and this isn't an exaggeration nor hyperbole.