SOURCE: Environmental Research Web

DATE: June 20, 2016

SNIP: Mapping high-latitude Arctic regions is a thankless task right now. Hillsides are vanishing overnight, new lakes and ponds are coming and going every week, and streams and rivers are changing course frequently. This restless landscape is due to permafrost thaw. Now a study reveals that in some regions the amount of land on the move has increased more than fourfold over the last 50 years.