Politecnico di Torino (PoliTO), Italy's oldest engineering school, ranks among Europe’s top technical universities, hosting over 38,000 students and 1,000 permanent academic staff. Its Department of Environmental, Land and Infrastructure Engineering is recognized by the Italian Ministry of Research as a "Department of Excellence" for climate transition, bringing solid expertise in climate dynamics, modelling, and the evaluation of Earth system simulations. PoliTO actively contributes to European climate digital twin initiatives, focusing on model quality, uncertainty quantification, and validation of traditional and AI-driven models, while maintaining strong connections to European high-performance computing communities and key EU research programs.