Shale Gas Has Bigger GHG Footprint Than Coal: Study

Law360, New York (April 12, 2011, 10:46 PM EDT) -- Natural gas obtained from shale formations using the controversial method of hydraulic fracturing have a higher greenhouse gas footprint than when obtained from conventional methods, according to a study released Tuesday by the academic journal Climate Change Letters.

The preliminary peer-reviewed study also found that in a 20-year time frame, shale gas extracted through the fracking process emits more greenhouse gas than coal.

The controversial drilling method has increased in the U.S. as energy companies seek to extract gas from the Barnett, Fayetteville, Haynesville and Marcellus...
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