Limit the annual update to what is useful for management: scopes 1 and 2, the 2 or 3 largest scope 3 emission categories and action plan indicators, requiring 2 to 4 consultant-days. You must also check the emission factors used, as ADEME's Base Empreinte is updated 2 times a year, maintain a stable method and boundary, and repeat a full assessment every 3 or 4 years for a complete review. Around 80% of the CSR team's time should go into reduction measures rather than measurement.
Read the source article: Bilan Carbone®: every year or every 3 to 4 years?
