Permafrost in Canada (IMAGE) University of Gothenburg Caption Thawing permafrost on Herchel Island, Canada. Credit Boris Radosavljevic Usage Restrictions Free to use as long author is credited. 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.