POLLUTION 1 (IMAGE) Rice University Caption A study by Rice University environmental scientists analyzed the cost of reactive nitrogen emissions from fertilized agriculture and their risks to populations and climate. Nitrogen oxides (NOx) and ammonia (NH3) react to create air pollution in the form of particulate matter and ozone, while nitrous oxide (N2O) contributes to global warming and stratospheric ozone depletion. Credit Illustration by Lina Luo/Cohan Research Group Usage Restrictions None License Original 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.