Air pollutants monitored near natural gas drilling sites were measured at five times federal standards. (treehugger.com)
[25] People living near shale gas drilling sites often «complain of headaches, diarrhea, nosebleeds, dizziness, blackouts, muscle spasms, and other problems.» (sourcewatch.org)
They found that wells located within 1 kilometre of an active shale - gas drilling site contained 17 times as much methane on average as those further away. (newscientist.com)