Maybe they are afraid of earthquakes, like how they are realizing that fracking wastewater wells are causing many [1] 1. http://www.bloomberg.com/news/articles

Maybe they are afraid of earthquakes, like how they are realizing that fracking wastewater wells are causing many [1] 1. http://www.bloomberg.com/news/articles/2016-09-07/oklahoma-wastewater-well-closures-increase-as-quake-upgraded http://www.bloomberg.com/news/articles/2016-09-07/oklahoma-w...