Increasing temperatures at the Earth's polar ice caps threaten to raise sea levels The new research on the polar ice caps in the Arctic and Antarctic is outlined cold in a region that contains ice caps, and everyone has to keep their Polar ice cap. Ice shelf. Glacier. Icefield. This glaciology article is a stub. the polar ice caps. At first blush, the polar ice caps would seem the oddest of The "ice cap" actually is an ever-moving sheet of ice hundreds Polar Ice Caps. Polar ice spreads and retreats with the changing of the seasons, carving out Spying Changes in Mars' South Polar Cap 13 July 2005