Methane in the Arctic Circle

In conditions without oxygen, such as at the bottom of a lake or the sea, decomposition turns organic matter into methane, rather than carbon dioxide.

The Greenland Ice Sheet in a Changing Climate

Snow, Water, Ice, Permafrost in the Arctic (SWIPA) http://amap.no/swipa/ 2011 SWIPA — A Changing Environment + SWIPA — The New Arctic Reality https://climateforce.wordpress.com/2012/01/19/swipa-a-changing-environment