The document summarizes threats to Canadian security in the transforming circumpolar world. Key threats include challenges to Canadian sovereignty and control over its Arctic territory due to increased activity and competing interests from other Arctic states. Environmental and food security are also threatened by climate change impacts, pollution, and changes to species ranges and availability. Cooperation with other Arctic states is important to address these evolving, multi-dimensional threats in the uncertain, rapidly changing Arctic region. The document outlines Canada's adaptive responses including improving surveillance capabilities and cooperation with Arctic neighbors.