“Scope 3 under SB 253 is mandatory by 2027, and supplier engagement takes 12 to 18 months to yield usable data. The problem is rarely the framework — it’s that suppliers receive generic questionnaires regardless of spend or emissions profile, producing numbers that won’t survive audit scrutiny.
Download the Scope 3 Supplier Engagement Workbook to build a supplier data collection programme that is not just complete, but defensible.”
