If global warming doesn’t kill us the fog will!

Shipping routes
Illustration showing the distance and time saved by going north
through the Arctic Ocean

A new report published by the American Geophysical Union, and touted by it though a press release today, says that while the melting Arctic Ocean icecap — caused by human-caused global warming — will make shipping more convenient, that shipping will be hindered by increased fog — caused by human-caused warming.

Arctic sea ice has been shrinking for decades. That loss has opened shipping channels in the Northwest Passage and the Northern Sea Route, allowing even non-icebreaker vessels to skip the time-consuming Panama and Suez Canals farther south. But as the ice recedes, cold air is exposed to more warm water, and warm vapor condenses into fog in those new passages. Hidden chunks of ice already pose risks to vessels making their way through foggy, low-visibility routes.
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