Dirty Air (IMAGE) Columbia Climate School Caption Heavy use of fertilizers is a major contributor to fine-particulate air pollution in much of the United States, Europe, Russia and China. Credit Courtesy US Bureau of Labor Statistics Usage Restrictions Credit must be given. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.