Smoke from wildfire (IMAGE) The University of Hong Kong Caption Smoke from human-caused wildfires on the Patagonian steppe are trapped in Antarctic ice. Credit Kathy Kasic/Brett Kuxhausen, Montana State University 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.