Supplier engagement guidance

This document provides guidance on engaging with suppliers to collect greenhouse gas (GHG) data when developing scope 3 GHG inventories following the GHG Protocol Corporate Value Chain (Scope 3) Accounting and Reporting Standard and product GHG inventories following the GHG Protocol Product Life Cycle Accounting and Reporting Standard.

This guidance is divided into two sections:

• Internal planning prior to engaging with suppliers.
• Working with suppliers to collect GHG data.