CO2Share serves as a comprehensive solution aimed at optimizing the calculation and exchange of CO2e emissions data for Scope 3 of the GHG Protocol, fostering a culture of climate sustainability throughout the entire supply chain. Developed through a partnership between GS1 Italy and GreenRouter, this many-to-many platform provides tailored operational support, actively engaging both large enterprises and small to medium-sized enterprises (SMEs). With its user-friendly interface for data management and a focus on information accuracy and reliability, CO2Share simplifies emissions tracking while staying ahead of upcoming climate regulations. This aligns with a forward-looking approach to anticipate climate regulatory changes, ensuring accountable and transparent emissions accounting.