Globe and Mail: Ice in the Canadian Arctic is melting at such an alarming pace due to climate change that the North will be seasonally ice free in six years, according to a study released yesterday from a groundbreaking scientific expedition. The dawning of a seasonal ice-free Canadian Arctic is upon us, said David Barber, one of the leading scientists on the 15-month expedition, adding the consequences for Inuit communities, the wildlife and the entire northern ecosystem are …