Arctic Seals (IMAGE) American Chemical Society Caption Researchers are reporting that high mercury levels in Arctic seals appear to be linked to vanishing sea ice caused by global warming. Credit National Oceanic and Atmospheric Administration. Usage Restrictions None 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.