by Huguette Young, Americas Quarterly, USA - Just 50 years ago, the Arctic was one of the world’s most remote and inhospitable regions, largely populated by indigenous peoples who hunted musk-ox and caribou and supported themselves with fishing, much as their ancestors had done for thousands of years. But climate change has transformed this timeless landscape of snow and ice into the hub of a geopolitical struggle over sovereignty and resource exploitation. Of the countries bordering the Arctic Circle, Canada may have the most to gain, as well as the most to lose, from that struggle.