http://online.wsj.com/article/SB100...24096848264.html?mod=WSJ_hpp_MIDDLETopStoriesGiant pockets of methane that have become trapped under the plastic liners in multi-million gallon manure lagoons at Goltstein's farm. The bubbles, which first appeared in 2006, are already 20 feet high and could inflate even more even more as the bovine waste continutes to break down and release more methane, according to The Wall Street Journal.http://theweek.com/article/index/201334/Should_America_fear_its_giant_poop_bubbles
"Mr. Palin, the state official, said, "Obviously you don't want to be smoking a cigarette when you open this thing up."