Bristol Bay sockeye salmon are thriving as oceans warm, and it's not clear why

Salmon across the world have struggled as oceans warm due to climate change. But in Alaska’s Bristol Bay, the world’s biggest sockeye run keeps breaking records. Meet the fishermen who benefit from the warmer climate, and the scientists who are trying to answer the question on everyone’s mind: How long can it last?

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This video was produced by the Anchorage Daily News' Loren Holmes as part of a collaboration with The Seattle Times, with support from the Pulitzer Center’s Connected Coastlines reporting initiative.