While most of the nation has much cleaner air quality than even a decade ago, there has been an uptick of high ozone and PM levels in many cities across the country. Paul Billings More Quotes by Paul Billings More Quotes From Paul Billings There is an incongruity of the EPA's positions, on one hand praising the success of the Clean Air Act in improving air quality while on another day calling the law a job killer. Paul Billings environment