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Sono molte le idee e i progetti in cantiere per salvare i ghiacciai svizzeri: essi non solo sono preziosi ecosistemi, sono importanti serbatoi d’acqua dolce. Uno dei tanti ghiacciai svizzeri minacciati dal riscaldamento globale è il ghiacciaio del Morteratsch sul massiccio del Bernina. Ma c’è qualcuno che ha avuto un’idea folle: innevarlo artificialmente per salvarlo!
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