New U.S. fracking emission rules unclear on climate impacts

ClimateWire: Regulating methane emissions from fracking to free natural gas may have important benefits in U.S. efforts to combat climate change. Image: Wikimedia Commons/Ruhrfisch U.S. EPA's pollution-cutting oil and gas rule will help cut emissions of a potent greenhouse gas without regulating it directly, say clean air advocates. EPA released a final rule yesterday that requires new hydraulically fractured gas wells to use technology that will cut toxic substances and smog-forming pollution by 2015....

URL: http://www.scientificamerican.com/article.cfm?id=new-us-fracking-emission-rules-unclear-on-climate-impacts
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