AdvertisementHumans' Role In Antarctic Ice Melt Is UnclearAugust 22, 2012Richard HarrisfacebookEmailThe Larsen B ice shelf, a large floating ice mass on the eastern side of the Antarctic Peninsula, shattered and separated from the continent 10 years ago. A NASA satellite captured the event in this image from Feb. 23, 2002. The 650 foot-thick, 1,250-square-mile ice shelf had existed since the last ice age. (AP)