With the flip of a switch, the snowmobile springs to life. The electric motor beneath my seat engages, launching me at lightning speed through the fresh white powder ahead. Soon I am gliding across a frozen lake in Swedish Lapland like a speedboat on water.  Mindful not to get carried away, I loop back toward the starting point, engaging the brakes just before the treeline. The sled skids to a halt. The hum of its batteries instantly replaced by the eery quiet of the Arctic.    “You feel so much more in tune with your environment when you don’t hear…

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