Twelvemile Lake (IMAGE) McGill University Caption New permafrost is forming around Twelvemile Lake in Alaska, but researchers have concluded that this permafrost will have disappeared by the end of the century due to continued climate change. Credit Martin Briggs, US Geological Survey 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.