B&B Progetti
Conference Talk
At BIMeet&Greet organized by SkeinBIM on October 8-9, Marco Baccaro presented the Whole Life Carbon Twin project, developed by DT4 in collaboration with EETRA. The system integrates BIM modeling and Digital Twin to assess environmental impact through embodied and operational carbon analysis, supporting compliance with CRREM targets and long-term decarbonization strategies.
The management of buildings’ environmental performance represents an increasingly central challenge for the real estate sector, which must address stringent decarbonization targets and the need for decision-making tools based on reliable data. On October 8-9, 2025, at BIMeet&Greet organized by SkeinBIM at Teatro Display in Brixia Forum, Brescia, Marco Baccaro presented the Whole Life Carbon Twin project, developed by DT4 – an innovative startup of which he is co-founder and CEO, with B&B Progetti as shareholder – in collaboration with EETRA.
The project integrates BIM modeling and Digital Twin to assess buildings’ environmental impact through embodied carbon analysis – the carbon footprint generated by materials and construction up to delivery – and operational carbon – emissions produced during building use and management. The approach transforms the Digital Twin from a representation tool into an operational database capable of supporting simulations and optimizations throughout the asset’s lifecycle.
“The BIM model must be a tool that helps us interpret the data we have today to understand what will happen tomorrow,” Baccaro emphasized during his presentation. “Often, asset owners make decisions without tools that consider the long-term environmental impact. The Digital Twin can bridge this gap.”
The system monitors compliance with European decarbonization targets through comparison with CRREM curves (Carbon Risk Real Estate Monitor), which define emission reduction pathways for real estate portfolios. This approach enables assessment of stranded asset risk – buildings that could lose value due to non-compliance with environmental standards – a central concern for asset management firms and financial institutions that will need to integrate ESG risk profiles into credit assessments.
The project also includes dynamic analysis of future climate scenarios, enabling simulation of the interaction between buildings and time-variable environmental conditions. “Today we invest in renovation interventions for an uncertain scenario. Dynamic analysis allows us to dimension interventions more consciously, considering both global warming and potential cooling peaks,” Baccaro highlighted.
The Digital Twin database integrates Materials Passports, which digitize and track materials used in the building. When the asset reaches end-of-life – whether through refunctionalization or decommissioning – the passport provides detailed information on the environmental impact of different intervention options, transforming the building into a temporary repository of recoverable resources and promoting circular economy strategies.
System implementation in early project phases enables significant results on the decarbonization curve, avoiding relegation of economic and environmental control to the end of executive design. “By acting already in design we obtain relevant advantages. Even in the operational phase, with small daily actions we can achieve extreme benefits in the long term,” Baccaro specified.
The approach addresses the need to overcome decision-making logic based exclusively on immediate returns, providing asset managers with tools that highlight the value of sustainability-oriented choices in the medium-long term. The Digital Twin thus becomes support for decisions that balance economic efficiency and environmental responsibility, aligned with growing transparency demands from investors and regulators.
Watch the full video here
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