In this new edition of Northwest Passage, Dietrich updates the status of the mighty Columbia River, discussing the health of its salmon runs, the state of its dams, and the river's growing importance in light of climate change.
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In this new edition of Northwest Passage, Dietrich updates the status of the mighty Columbia River, discussing the health of its salmon runs, the state of its dams, and the river's growing importance in light of climate change.
