Supply chain emissions: Unlocking supplier engagement for net zero

Your guide to tackling scope 3 emissions through supplier engagement
Anna Ma
Climate Director
Joy Stindt
Senior Climate Consultant
Ellen van der Linde
Climate Analyst
Shubham Choudhary
Climate Analyst

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Guide content

Supply chain emissions, often captured as Scope 3, are increasingly central to achieving Net Zero targets. For many organisations, value chain emissions account for the majority of the overall footprint, which means carbon footprint measurement cannot stop at direct operations. This guide sets the context for why supply chain emissions matter, the most common barriers to managing them, and what practical progress looks like across different types of organisations.

Designed for sustainability, procurement, and product teams, the guide provides a clear roadmap for how to measure carbon emissions across complex supply chains, identify hotspots, and translate insights into a credible decarbonisation strategy. It explains how to prioritise suppliers using a sector lens, clarifies the difference between GHG inventory hotspots and LCA hotspots, and highlights common pitfalls that can undermine data quality and decision-making. It also explores emissions reductions in practice, including the role of circular economy strategies, and why focusing on carbon alone can sometimes create unintended consequences if wider impacts are not considered.

What you’ll find inside

Chapter 1: Setting the context

  • Why supply chains drive a large share of emissions, and why Scope 3 emissions are now a business priority
  • Common barriers to supply chain emissions management and carbon reduction

Chapter 2: The baseline: identifying hotspots in the supply chain

  • Supplier hotspot identification using a sector perspective
  • GHG hotspots vs LCA hotspots, and how to use both without mixing methods
  • Example hotspot patterns across key sectors

Chapter 3: How to measure

  • Methods organisations use for carbon footprint measurement, and how to improve accuracy over time
  • Common pitfalls, including category issues, double counting, and data gaps

Chapter 4: Emissions reductions

  • How to translate measurement into a practical decarbonisation strategy for the supply chain
  • Circular economy levers that can drive Scope 3 reduction
  • How to avoid unintended consequences when choosing reduction actions

Chapter 5: Supplier engagement

  • Governance and ownership, including who leads and how to involve procurement and finance
  • Engagement approaches, such as incentives and capability building
  • How to track progress consistently across suppliers

Chapter 6: FAQ

  • Common starting points, misconceptions, and practical steps

Download now and start the decarbonisation journey!