A Warming Arctic Emerges as a Route for Subsea Cables

So far, work is only possible in the summer months. But companies see the remote, fragile north as a future hub of crisscrossing digital infrastructure links

Money is a sticking point in climate-change negotiations around the world. As economists warn that limiting global warming to 1.5 degrees Celsius will cost many more trillions than anticipated, WSJ looks at how the funds could be spent, and who would pay. Illustration: Preston Jessee/WSJ

Northern countries are racing to build undersea communications cables through the waters of the Arctic, as shrinking ice coverage opens the region to new business opportunities and heightens geopolitical rivalries between Russia and the West.

Planned cables by a group of Alaskan, Finnish and Japanese companies as well as by the Russian government are competing to create better digital infrastructure in a fragile yet increasingly vital area for defense and scientific research.

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