Hydraulic fracturing - or fracking - has been implicated in pollution incidents across the US, leading to widespread protests. Photo: LT Mayers
The gas stored in the Marcellus Shale formation is the subject of desperate drilling to secure US domestic energy supplies. But the process involved - hydraulic fracturing - is the focus of a bitter dispute over environmental damage and community rights
The gas stored in the Marcellus Shale formation is the subject of desperate drilling to secure US domestic energy supplies. But the process involved - hydraulic fracturing - is the focus of a bitter dispute over environmental damage and community rights
US researchers behind a study that showed links between gas drilling and sickness in livestock say a moratorium should be imposed on fracking in the UK until its impact on food safety can be assessed. Andrew Wasley reports
