Can Underground Thermal Batteries Warm Northern Cities in Deep Winter?

CleanTechnica
By Michael BarnardMar 23, 2025, 6:38 pm224 ptsTop
Having grown up in Canada’s north and spent far too many winters trudging through snowy downtown streets in Toronto, Ottawa, and Edmonton, I know firsthand just how brutal Canadian winters can be—and how urgently our cities need practical, scalable, low-carbon heating solutions. Even if you haven’t spent…

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