Smack dab between eastern Canada’s Misery Point and Greenland's Cape Desolation is a place where the thrashing of the Atlantic Ocean’s churn sounds about as friendly as the nearby place names. This stretch of water, the Labrador Sea, has long been considered a critical junction in the global circulatory system of the world's oceans. By pumping warm water north and cool water south, the system regulates the planet’s climate.

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