The football field-size CCGS Amundsen, breaking through the icy waters of the Northwest Passage, came to a halt. Traversing one of the most unexplored regions of Earth’s oceans, the Canadian coast guard vessel found itself amid ice 10 feet thick. It reversed course, turned 30 degrees, and proceeded forward again, trembling along the way.
This icebreaker’s objective was to carry scientists into little-charted seas high in the Canadian Arctic. There they planned to map regions of the seafloor at high resolution and pull up a sample that could reveal what happened here at the close of the last ice age, 10,000 to 12,000 years ago.
But the dilemma the scientists on this vessel faced had less to do with ancient history than the near future. By helping to map a region that’s only now becoming navigable, thanks to climate change, they’re part of a broader opening of one of Earth’s most untouched environments to a growing volume of ship traffic.
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