This undated aerial photo provided by U.S. Fish and Wildlife Service shows a herd of caribou on the Arctic National Wildlife Refuge in northeast Alaska. Petroleum drilling in Alaska's Arctic National Wildlife Refuge was not a consideration under President Barack Obama but it's getting renewed attention under the new administration. Alaska Sen. Lisa Murkowski and other members of the state’s congressional delegation are pushing legislation to allow drilling in the coastal plain of the refuge. (U.S. Fish and Wildlife Service via AP) ** FILE **
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