Instead of halibut, fisherman are increasingly catching less valuable Pacific cod, voracious bottom feeders whose numbers in recent years have exploded.

As spring walrus hunting season gets underway, residents of St. Lawrence Island talk about sea ice changes and how they affect the village.

Thinning sea ice puts walruses nearly out of reach. The federal government may list walruses as an endangered species. And ivory bans elsewhere are making it hard for walrus-tusk carvers to sell their art.