A researcher says the Arctic region's thick multi-year ice has become thin and flimsy.
University of Manitoba researcher David Barber says his team was shocked to watch a massive ice floe break up before their eyes during a trip to the Beaufort Sea.
He says experts around the world believed Arctic sea ice was recovering because satellite images showed it to be expanding.
But he says the satellites are misleading because the rotten ice looks sturdy on the surface.


