The Arctic is warming three to four times faster than the rest of the world, and as it warms, a whole new set of national security issues is emerging. This episode, host Kai Ryssdal traverses the frozen terrain that could be the center stage for global conflict. We hitch a ride with the Coast Guard, drop in on training exercises in the frigid Alaskan mountain range and uncover vital military infrastructure that’s falling into the ocean. How are climate change and national security converging in the Arctic? And is our military ready for it?

To support Marketplace’s impactful journalism, donate here: https://support.marketplace.org/hws-sn