Some more on hydrofracking

PNAS published a study on Pennsylvania groundwater contamination from gas wells. The evidence is pretty damning, to be perfectly honest. Something fishy is definitely going on. Let's face it, the empirical data is making me into a regulation advocate, if only to force the short-sighted fools that run drilling operations into doing things properly.

Money graph:

Source: Osborn et al., 2011, as linked above.