Study: Fracking in the US causing global surge in dangerous gas

Researchers solve ‘atmospheric mystery’ of why levels of ethane suddenly stopped falling and started rising across the planet. The Independent, United Kingdom.¬† Apr 29 Ian Johnston Science Correspondent, Friday 29 April 2016

Fracking of shale oil fields in the US is causing a global surge of a gas that causes climate change and creates dangerous air pollution, according to new research.

Levels of ethane in the atmosphere had been falling since the 1980s, but in 2010 a sensor in Europe picked up a surprise increase.

The boom of fracking, a controversial process used to recover gas from within shale by fracturing the rocks, in the United States was viewed as the prime suspect.

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