Courtesy of NASA, via the Washington Post, a stunning look (without sound) at the shockingly rapid disappearance of ice at the North Pole between September 2005 and September 2007.
Note the tough lede on the accompanying story from Doug Struck:
For scientists, global warming is a disaster movie, its opening scenes
set at the poles of Earth. The epic already has started. And it’s not
fiction.
http://www.washingtonpost.com/wp-srv/mmedia/player/wpniplayer_viral.swf?vid=101907-12v_title