Food insecurity is also a troubling threat for Alaskan Native communities, since they also rely on the ice for hunting. The ice provided a stable platform for fishing and hunting in the ocean, but as it thins, hunters struggle to find seals, walruses, and different fish they rely on to get through the winter.

Tribal elder Warren Jones stands on a site threatened by climate-change erosion caused by melting permafrost tundra and the disappearance of sea ice. Mark Ralston/Getty Images

Source: Vice