Global mercury flows (IMAGE) PNAS Nexus Caption Spatial distributions of net mercury emissions embodied in the international trade and prominent net flows of mercury emissions between the world regions. Credit Xing et al. 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.