http://thinkprogress.org/climate/2015/05/19/3660369/texas-prohibits-local-fracking-bans/
"On Monday, Texas governor Greg Abbott signed legislation that prohibits cities across Texas from banning hydraulic fracturing from their home turf. In what was a major agenda item for Texas lawmakers this session, towns like Denton, Texas — which passed the state’s first local fracking ban last November — will no longer be able to exercise local control over the oil and gas industry when it comes to nearby extraction."