Permafrost is a critical feature in high latitudes. As the planet warms, so does permafrost. Its thawing has significant consequences — greenhouse gases are released into the atmosphere, sinkholes form in the ground and infrastructure is damaged.
In a packed university conference room, biologist Randy Brown spoke of chinook, the fatty king of far-north salmon. “It’s more than just a fish, it’s a culture,” Brown said to the Fairbanks crowd, many of them Alaska Natives.