Toxics and Light Pollution Comparison (IMAGE) Cornell University Caption Comparison: Map (a) shows the total concentration of ground-level airborne toxic chemicals and (b) shows the radiance of artificial light at night within the contiguous United States for the year 2020. Credit Source: La Sorte, F. A. et. al. (2022). Light pollution enhances ground- level exposure to airborne toxic chemicals for nocturnally migrating passerines. Global Change Biology. Usage Restrictions Only for use with articles about this research paper 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.