Climate change poses risks to peace  that could affect North America . Military and security communities are adapting their planning, operations and infrastructure to current impacts of climate change in North America and globally . Arctic nations are renewing their military capacity and expanding their constabulary presence around their existing boundaries . There is increasing awareness that climate change causes weather patterns and extreme events that directly harm military installations and readiness through infrastructure damage, loss of utilities, and loss of operational capability . Transboundary disputes and competition over resources, such as fish , are a concern in the changing Arctic and increases in military and constabulary operations are being observed .
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report