The OECD's latest report, Global Monitoring of Policies for Decarbonising Buildings, emphasizes the pressing need to address building emissions to tackle climate protection issues. Buildings account for close to 70% of CO₂ emissions in major cities. Therefore, decarbonization requires governments to focus on "low-hanging fruit" strategies to get impactful results at environmentally feasible timescales. Experts warn that focusing on high-cost technologies and neglecting existing digital