The degradation of the Arctic tundra has triggered a terrible chain reaction that can only lead to greater mayhemThe problems that now afflict attempts to establish a military presence in the far north of Canada and Greenland provide timely warnings about the miseries that lie ahead for the rest of the planet as global warming continues its remorseless spread.The Arctic has suffered especially early impacts because temperatures here are rising faster than in any other part of our planet. Crucially, this process threatens to trigger even greater climatic mayhem. Continue reading...