Industry urging governments and business to reject renewables in favour of 'green' shale gas
New study find methane leaks from shale gas fracking could release more greenhouse gases than coal mining
MPs hear US energy firm must only disclose details of drilling method criticised for contaminating water sources in 2015
Huw Irranca-Davies urges government to suspend drilling until ongoing investigation is complete
As shale gas is found in Lancashire, report says drilling should be banned until potential environmental damage is understood