Researchers say climate change is playing a big role in the collapse, which has left thousands of people along the river without the salmon they depend on. 

Amid the collapse of chum and chinook salmon on the river, the Smokehouse Collective is trying to build sustainable, resilient food systems for Native communities.

Alaska researchers will continue a controversial study this year on a parasite in Yukon River chinook salmon that requires killing hundreds of fish, a move that’s drawn sharp criticism from Canadian experts. 

First Nations groups in the Yukon Territory and Alaska GOP Gov. Mike Dunleavy's administration are advancing discussions about whether hatcheries could help stem a steep crash in salmon populations on the Yukon River.

A 20-year-old treaty keeps Alaska and Canada working together, even through the devastating king and chum salmon collapse.