February 4, 2013Uncategorized Leave a comment TIME TO QUIT Smoking is bad for us. Coal-fired power plants are the single largest U.S. source of global warming pollution. Share this:TwitterFacebookTumblrPinterestLike Loading... Related artCLIMATE CHANGECLIMATE CHANGE DENIALCoal PlantsCoal PollutionDrawingkocmelanie bakerrepublicans