CO₂ and the Supply Chain: The Numbers Every Business Should Know

Imagine your company’s visible carbon emissions are just the tip of the iceberg. Beneath the surface lies a vast and often hidden world of supply chain emissions that dwarf your direct operational impact and that world holds the key to your company’s sustainability future.

Supply chain emissions, commonly known as Scope 3 emissions, represent the majority of a business’s carbon footprint, yet only a fraction of companies actively manage them. For forward-thinking organizations, understanding and addressing this challenge presents not only a moral imperative but also a strategic advantage.

The Hidden Carbon Footprint

While companies may meticulously track emissions from their own facilities and energy consumption, these represent just 10-25% of total emissions. The remaining 75-90% usually comes from activities across the entire supply chain from raw material extraction to logistics and product disposal. Recent reports show supply chain emissions are on average 26 times greater than a company’s direct operational emissions. This staggering ratio illustrates why it’s impossible to achieve meaningful climate goals without tackling supply chain impact comprehensively.

Beyond the environmental urgency lies an economic challenge: disclosed upstream emissions in the manufacturing, retail, and materials sectors correspond to a carbon liability exceeding $335 billion annually.

Transportation: The Carbon Heavyweight

Transportation alone accounts for 24% of global CO₂ emissions from energy use, with road freight dominating at 75% of transport sector emissions. Shipping and aviation add significant emissions, with container shipping emissions increasing by nearly 14% in 2024 compared to 2021.

For supply chains that span continents, logistics emissions can represent the largest single source of CO₂ a reality pushing companies to innovate in fuel efficiency, route planning, and adoption of alternative fuels.

Industry-Specific Challenges and Examples

Every industry has its own footprint and hurdles:

• Manufacturing faces energy-intensive processes needing cleaner power and efficiency upgrades.
• Retail giants like Walmart have shown leadership, with Walmart’s Project Gigaton driving the removal of 1 billion metric tonnes of greenhouse gases through supplier collaboration.
• Agriculture and food production, with challenges from land use and packaging, require sustainable sourcing and process improvements.
• Electronics and consumer goods wrestle with multi-tier supplier complexities and material sourcing.

Why Act Now? The Cost of Delay

Ignoring supply chain emissions is no longer an option. Stricter regulations, investor demands, and consumer expectations mean companies lagging on sustainability risk fines, lost contracts, and brand damage. For example, 21% of UK retailers have cut contracts with suppliers lacking sustainability standards, and Amazon has committed to prioritizing suppliers with net-zero transition plans.

Success Through Collaboration and Technology

Leading companies prove change is both possible and profitable. Walmart’s Project Gigaton engaged thousands of suppliers, leveraging education, incentives, and technology to drive measurable results ahead of schedule. Mahindra Logistics teamed with AI startups to provide real-time carbon KPIs, underpinning their carbon neutrality goals.

Technological advances in IoT sensors, blockchain for transparency, AI analytics, and life cycle assessment software empower businesses to accurately track and reduce emissions efficiently.

Five Strategic Steps for Businesses

• Measure comprehensively: Perform detailed Scope 3 assessments to identify emission hotspots.
• Engage suppliers: Collaborative programs significantly increase the likelihood of effective emissions reduction.
• Adopt internal carbon pricing: This aligns decision-making with climate goals.
• Invest in technology: Use digital tools for real-time, scalable emissions management.
• Collaborate across industries: Shared goals and data accelerate progress.

Conclusion

Supply chain emissions vastly overshadow direct company emissions but are often overlooked. Addressing them is complex but essential not only to meet climate commitments but to unlock cost savings, reduce risk, and build resilient businesses for the decade ahead.

The companies bold enough to tackle supply chain CO₂ head-on will set the standard for sustainability leadership. The question isn’t whether your company can afford to address its supply chain carbon footprint it’s whether it can afford not to.