"Patterned ground" in Alaska’s Arctic National Wildlife Refuge. Frozen ground causes formations like these. Source: NSIDC
A heavyweight boxer in the climate change match is missing from the 5th climate assessment report released by the Intergovernmental Panel on Climate Change (IPCC) on Friday.
Permafrost, which is frozen ground that doesn't melt during the summer, covers 24% of the land in the northern hemisphere. Permafrost acts like ...<br /><a href="http://www.wunderground.com/blog/angelafritz/comment.html?entrynum=57">Read More</a>
