Photo Gallery: Dangers Frozen in Permafrost
02/22/2013
In total, permafrost contains twice as much carbon as what is currently...
AP / Edward Schuur / University of Florida

In total, permafrost contains twice as much carbon as what is currently billowing through the Earth's atmosphere. If major portions of that carbon become released, the world's climate would suffer fatal consequences. This photo shows ground degradation caused by thawing permafrost in Alaska's Noatak National Preserve.