Preserving previous year’s snow for start of season can combat increasingly unpredictable winters
Before the arrival of electric fridges and freezers, people across Finland would saw a block of ice from a river or lake before the spring thaw, thickly cover it in an insulating layer of sawdust and stack it in barns, pits or ice cellars to protect produce from the warm air of the summer months.
Amid global heating and increasingly unpredictable shorter winters, a modern twist on the traditional jään säilöminen (ice preservation) technique is now being touted as a way to save Europe’s struggling low- and medium-altitude ski resorts.
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