Guardian: Cuadrilla, the only shale fracking company operating in the UK, has been slapped down by the advertising watchdog for claiming that it uses "proven, safe technologies".
The censure by the Advertising Standards Authority will force a significant watering down of some of the company's claims and is a further blow to Cuadrilla, which has halted fracking at all of its UK sites following a series of setbacks. Fracking, or hydraulic fracturing, involves pumping water, sand and chemicals into deep wells...