Arctic Heroes: A Tribute to the Sled Dogs of GreenlandArctic Heroes takes a poignant look at the fate of the Greenland sled dog. In Greenland, where the melting ice sheet is irrevocably disrupting the hunters' 4,000 year old traditional way of life, the stark reality of global warming is an immediate and direct threat to their everyday survival. The Greenland sled dog, essential to Inuit settlement and survival, now faces extinction as hunters are forced to adapt to the vanishing world around them. In