NASA visualization shows devastating decline in Arctic ice over past 35 years

Northern communities eroding away into the ocean. Polar bears flooding south into more Canadian cities. Trade upheaval as the potential for new ship routes opens up where thick ice used to block the way. These are some of the things we would be facing if the ice in the Arctic Ocean vanished completely every summer. NASA has released a visualization of sea ice in the Arctic that shows a dramatic loss of perennial ice in the Arctic Circle within the last 35 years. If it continues -- and Mark Serre