http://www.huffingtonpost.com/2010/0..._n_619840.html

"...
He begins in Dimock, Pa., where an exploding water well revealed methane contamination that has ruined residents' drinking water supplies. He's handed a jar of mysterious yellow-brown liquid and asked to find out what's in it, setting up the film's principal drama.
From there, Fox heads west. He hears the same story in town after town: contaminated water; fouled air; mysterious illnesses; a deceived citizenry; regulators who aren't regulating.
In Colorado and Wyoming, Fox finds more sings of destruction, according to a Washington Post review:

Mountain streams that now bubble with toxic vapors and a frantic woman who's helpfully kept in her spare freezer all the dead animals she's discovered on her land. Gas wells surround all this...."