http://www.reformer.com/localnews/ci_15018700
http://www.nytimes.com/2010/05/06/opinion/06Faddis.html?hp
http://www.gainesville.com/article/20100505/ARTICLES/100509685/1118
http://www.boell.de/downloads/ecology/Thomas_economics.pdf
http://www.commondreams.org/view/2010/05/05-10
http://www.nytimes.com/2010/05/04/business/energy-environment/04weed.htm...
http://www.washingtonpost.com/wp-dyn/content/article/2010/05/03/AR201005...