(KPLR) – The melting of sea ice in the North Pole region is one of the most visible signs of a warming planet.
Thirty years ago, at the end of summer, ice covered some one million more square miles of the Arctic Ocean than it does now. That’s roughly the size of Alaska, Texas and California combined. Doctor Walt Meier, with NASA, talked with John Fuller about last season being a record-breaking year for sea ice loss in the arctic.
Find out more: http://nsidc.org/