Learn how thawing permafrost is affecting buildings in Alaska in this video from NOVA's Making Stuff Colder. Accompany host David Pogue as he visits Fairbanks, Alaska, and talks to residents about the changes they have experienced. See what permafrost looks like up close at a permafrost tunnel research facility.
To view the Background Essay and Teaching Tips for this video, go to Support Materials below. This resource was developed through WGBH’s Bringing the Universe to America’s Classrooms project, in collaboration with NASA. Click here for the full collection of resources.