New NASA Satellite Survey Reveals Dramatic Arctic Sea Ice Thinning
http://www.nasa.gov/topics/earth/features/icesat-20090707.html
Arctic sea ice thinned dramatically between the winters of 2004 and 2008. This survey used observations from NASA's Ice, Cloud and Land Elevation Satellite to make the first basin-wide estimate of the thickness and volume of the Arctic Ocean ice cover. From the National Aeronautics and Space Administration.
