Salmon used to be plentiful and they’ve been a staple of tribal diets for centuries. Since the early 1900s, salmon populations in the Columbia River have steadily declined thanks to overfishing, dams, habitat loss and warming waters. Hatcheries are one way the U.S. government has tried to make up for the loss of wild salmon. But it hasn’t worked. In this episode, we examine what the decline of salmon has meant for Columbia River tribes.