/tags/methane methane en-US Copyright Wed, 22 Jan 2014 19:00:00 GMT /technology/2014-01-22/uc-testing-water-for-fracking-contamination One of the still hotly contested debates over fracking is whether the practice of extracting trapped gas underground contaminates drinking water.… Wed, 22 Jan 2014 19:00:00 GMT /technology/2014-01-22/uc-testing-water-for-fracking-contamination Ann Thompson