> Published on Tuesday, April 12, 2011 by Mail & Guardian > > Shale Gas as Dirty as Oil, Coal for Warming >
> Shale gas holes up in a dense sedimentary rock which is fractured by > large volumes of water and chemicals that are piped in horizontally > under high pressure. > > After the fracturing, large amounts of water returns to the surface > within a few days, along with significant amounts of methane, that > comprises the bulk of the shale gas. > To add, the water and chemicals used in fracture drilling also pollutes the ground waters supplies. I am to understand that this type of drilling is exempt from water protection regulations, which exacerbates both the overall problem and potential efforts to combat it's use. _______________________________________________ Biofuel mailing list Biofuel@sustainablelists.org http://sustainablelists.org/mailman/listinfo/sustainablelorgbiofuel Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Search the combined Biofuel and Biofuels-biz list archives (70,000 messages): http://www.mail-archive.com/biofuel@sustainablelists.org/
