In this undated file photo provided by the U.S. Fish and Wildlife Service, caribou from the Porcupine Caribou Herd migrate onto the coastal plain of the Arctic National Wildlife Refuge in northeast Alaska.
U.S. Fish and Wildlife Service/AP
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U.S. Fish and Wildlife Service/AP
Environment And Energy Collaborative
Trump Administration Sets Last-Minute Oil Lease Sale For Arctic Wildlife Refuge
Alaska Public Media
