(August 28, 2018) For 19th-century adventurers like Sir John Franklin, navigating a path through the ice-choked Northwest Passage — the Holy Grail of Arctic exploration — was a treacherous and often deadly undertaking. Today, thanks to climate change, traveling through the passage is quickly becoming another exotic option for cruise ship passengers — and an enticing shortcut for cargo ships.But an increasingly ice-free Arctic means more than just a chance for a new sightseeing adventure: Signifi...

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