Environmental Integrity Project – Dirty Kilowatts: America’s Most Polluting Power Plants, by Ilan Levin. “New EIP report ranking worst plants on CO2, SO2, NOx and mercury emissions…Mixed Picture: CO2 Pollution Up, Sulfur Dioxide and Nitrogen Oxide Easing, Mercury Holding Steady; States With Most Problem Facilities Are AL, IA, IL, IN, KY, ND, NE, NJ, OH, PA, TX, and WY.” July 27, 2006. (PDF)