Thawing Permafrost in Alaska (IMAGE) Michigan Technological University Caption To better understand the impact of methane and carbon dioxide on climate change, ecologist Evan Kane samples thawing permafrost in Alaska. Credit Michigan Tech, Evan Kane 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.