Guardian: The lack of publicly available data on the UK's onshore oil and gas drilling means there are significant "unknowns" about the safety of future fracking wells, according to a new study. The research also found that public data from the US showed that hundreds of recent shale gas wells in Pennsylvania have suffered failures that could cause water or air pollution.
"The research confirms that well failure in hydrocarbon wells is an issue and that publicly available data in Europe on this seems to...