Methane leaks cast doubt on shale gas climate credentials

BusinessGreen: US scientists have once again warned large amounts of methane could be leaking from new onshore gas drilling projects, challenging claims the fuel can offer a lower emissions alternative to coal. Around nine per cent of the potent greenhouse gas methane produced by a gas field in Utah was shown to be escaping into the atmosphere, according to preliminary results published in Nature by a team comprising researchers at the National Oceanic and Atmospheric Administration (NOAA) and the University...

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