Earlier quoted context omitted.
When the "opposing side" (the heartland institute) also deny the existence of global warming and second-hand smoke, I think your choice of references does more to harm that viewpoint than support it.
It was a news article. I just grabbed the first relevant link pertaining to "gasland tap water fire". Because I apparently was using the wrong keywords: http://en.wikipedia.org/wiki/Gasland#Negative > In an article for Forbes magazine, Dr. Michael Economides, a professor of engineering at the University of Houston, commented on the Gasland scene of "a man lighting his faucet water on fire and making the ridiculous cl…
Impermeable except for, you know, the several thousand foot long shafts that are drilled through that rock in the process of fraking.