Arctic albedo (IMAGE) DOE/Sandia National Laboratories Caption A Sandia National Laboratories study used previously unpublished data from GPS monitors to learn more about what’s decreasing the sun’s reflectivity in the Arctic. Credit Sandia National Laboratories Usage Restrictions Media may use with the story but must credit Sandia National Laboratories. 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.