AOMORI, Japan -- The sun and the wind are the two natural phenomena most often harnessed for renewable energy, but one city in northern Japan believes it can tap an overlooked resource that it has in abundance: snow.
Heat transfer system expected to be as efficient as solar and cleaner than wind

A tractor removes snow from the Sukayu Onsen hot springs resort in Aomori, Japan, where a proving test for snow power will be held in December. © Kyodo
AOMORI, Japan -- The sun and the wind are the two natural phenomena most often harnessed for renewable energy, but one city in northern Japan believes it can tap an overlooked resource that it has in abundance: snow.