Australian scientists find excess greenhouse gas near fracking

LA Times 17 November 2012.

Environmental researchers have detected excess greenhouse gas levels near the site of Australia’sbiggest coal seam gas field, prompting calls for halting expansion of hydraulic fracturing until scientists can determine whether it might be contributing to climate change.

The reported findings of methane, carbon dioxide and other compounds at more than three times normal background levels have stirred new controversy in eastern Australia over the pros and cons of boosting natural gas output by “fracking,” a process that blasts sand, water and chemicals into deep underground wells…

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