Telegraph (UK): The ice shelves in Canada’s northern Arctic have shrunk at a “massive and disturbing” rate, with huge tracts breaking off and floating away, say scientists. In what researchers say is the latest evidence of accelerating climate change, 83 square miles of ice attached to Ellesmere Island – more than three times the area of Manhattan island – have broken away this summer. Their disappearance after thousands of years has been blamed on warmer air temperatures. One of the ice …