Making snow takes enormous amounts of energy, but a warming planet makes artificial snow increasingly essential to an industry that pumps over $20 billion annually into ski towns nationwide. To try and outrun rising temperatures, resorts have been dramatically improving the efficiency of their snowmaking operations. Efficiency Vermont reports that its efforts to help ski resorts use less energy have saved more than a billion kilowatt hours of electricity between 2000 and 2022. That’s nearly a million tons of planet-warming carbon dioxide emissions or the equivalent of taking more than two gas-fired power plants offline for a year.

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