EARTH - Toxic Sinkhole Threatens Southeastern Louisiana

A giant sinkhole that sprouted up overnight last summer in Assumption Parish, LA is swallowing trees and belching toxic fumes as it expands across the otherwise sleepy swamp waters of southeastern Louisiana. The sinkhole, which was reportedly caused by a release of natural gas, has been a debacle for residents. The most recent

http://www.forbes.com/sites/williampentland/2013/03/03/toxic-sinkhole-