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The 'Phe4GOLD' project in Italy aims to produce jewelry using exclusively green hydrogen, with its first operational meeting held at Graziella Holding in Arezzo. Funded by the Ministry of Environment, the initiative seeks to implement sustainable practices in the jewelry supply chain through renewable energy and artificial intelligence, with plans to install a hydrogen electrolyzer prototype by July 2026. The project involves collaboration with partners such as the University of Pisa and G-Smart, focusing on creating a replicable model for enhanced sustainability and reduced emissions.