CURRENT NORTHERN HEMISPHERE SEA ICE and SNOW COVER:

Recent image of the Lost Coast of California (2009) vs photo taken in the 1940's depicting Sea Level Rise:

Skate (SSN-578), surfaced at the North Pole, 17 March 1959.                        Skate (SSN-578), and Seadragon (SSN-584) surfaced at the North Pole, 1962.