Thawing Foundations: Permafrost and the Future of Arctic Defence


Jul 10, 2026 | Joshua Kelly
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Canada’s Arctic security debate mostly focuses on the visible signs of geopolitical change. While Russian military activity, Chinese interest in polar routes, and NORAD modernization dominate the debate, one serious threat is occurring under Canadians’ feet. As permafrost thaws, the physical ground supporting Arctic infrastructure is becoming less stable. This is not only an environmental or engineering issue, but a question of preparedness for defending the Arctic region.