this canane 50% of everying comi up the wl, mostl volati organ compoun. popontial pommls with this press ararnot justelegated to the fraing of the well t evy aspectf reducon. ththe in i iwhenhehey le out of theides oththe aft into the water t tab throughracked ses. al, thehemicalsre mixed and sofaand stod in a large nd and must bensulated om theollegehich is somemes nodone. once it drilled and productition, it can still be invivisibly polluted. as much as 9%9% of the methane d out of theay leak well. most shale basins are even flat and maintain a fairly regular deep layer with you a hard rock contractions that would allow water to move upward. dog did from the university of the free state supported natural gas extraction until he embarked on instead of the geology of the desert. he fears that political pathways made by lava flows will allowow fracking fluidids and other ways toto r rise and d pollute theher table. and that goese lovee - - goest went to iraq, to the rock. our problem is 10 times, 100 times bigger. you don't find these in the u.s.. >> the p