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Being good stewards entails changing our relationship with food, said Dune Lankard, founder and president of the Native Conservancy and an Eyak Athabaskan.

Ahtna Athabaskan hunters discovered the copper deposits in the river valley that featured prominently in ancient regional trade routes.

In Alaska, the Athabaskan peoples have long dealt with brutal, protracted winters by preserving produce and freezing meats.

She wanted to collect genetic samples from speakers of Athabaskan languages, who range from some Alaska Native groups to the Navajo Nation and the Apache in the U.S.

Bill Erasmus of the international Arctic Athabaskan Council, which represents indigenous Athabascan governments in the U.S. and Canada, said climate change and economic stability were the most important issues in the region.