As the dust settles on the COP26 climate summit, how it went depends on whom you ask. A deal may have been struck - but an 11th hour edit to soften the language around coal is causing concern among developing nations more vulnerable to the effects of global warming. But Canada is championing the deal as a ground breaking success. There’s another piece to the climate change puzzle that Canada must confront. Warmer temperatures in the Arctic are thawing permafrost - which accounts for 40 per cent of Canada's surface. And that big melt is releasing carbon that has been locked away for centuries. Not only that, life is being disrupted in these remote northern communities.