ISO 14067: Measuring and Communicating the Carbon Footprint of Products

Why Product Carbon Footprints Matter Now

Customers, investors, and regulators are demanding transparency on climate impact — and product-level emissions data is increasingly at the centre of that scrutiny. Whether you manufacture consumer goods, industrial components, or food products, the ability to credibly measure and communicate your product's carbon footprint is fast becoming a commercial necessity.

ISO 14067:2018 — Greenhouse gases — Carbon footprint of products — Requirements and guidelines for quantification — provides the internationally recognised methodology for doing exactly that. Built on the principles of ISO 14040 and ISO 14044 (Life Cycle Assessment), it gives organisations a consistent, science-based approach to calculating and disclosing product-level greenhouse gas (GHG) emissions.

What ISO 14067 Covers

ISO 14067 defines the principles, requirements, and guidelines for quantifying the carbon footprint of a product (CFP) and for partial carbon footprint of a product (pCFP). It applies to any product — goods or services — across all sectors.

The standard is grounded in Life Cycle Assessment (LCA) methodology and covers:

• System boundary definition — determining which life cycle stages to include (cradle-to-gate, cradle-to-grave, or cradle-to-cradle)
• Functional unit — establishing a clear reference unit for comparison (e.g., one kilogram of product, one unit of service delivered)
• Data collection and quality — requirements for primary and secondary activity data, emission factors, and data quality assessment
• Allocation rules — how to handle co-products, recycled content, and waste streams
• Biogenic carbon — treatment of carbon stored in biological materials and released at end of life
• Communication — requirements for CFP reports and CFP performance tracking communications

All seven greenhouse gases covered by the Kyoto Protocol and its Doha Amendment are in scope, expressed as CO₂ equivalents using IPCC characterisation factors.

Key Requirements: How the Quantification Works

A compliant ISO 14067 study follows a structured four-phase process aligned with LCA methodology:

1. Goal and Scope Definition

The study must clearly state its intended use, the functional unit, the system boundary, and any cut-off criteria. Decisions made here directly affect the final CFP figure, so transparency is essential. For example, a packaging manufacturer might define the functional unit as "one tonne of corrugated board delivered to the customer gate" and adopt a cradle-to-gate boundary.

2. Life Cycle Inventory (LCI)

All GHG inputs and outputs within the system boundary are compiled. This includes direct energy use, raw material extraction, transport, manufacturing processes, and — where the boundary extends — use-phase energy consumption and end-of-life treatment. ISO 14067 requires documented data quality assessment and mandates that primary data be used for foreground processes where feasible.

3. Carbon Footprint Calculation

Inventory data is multiplied by appropriate GHG emission factors and aggregated into a single CO₂e figure. The standard specifies how to handle allocation (e.g., economic or physical allocation for co-products) and how to account for biogenic carbon separately from fossil carbon.

4. Reporting and Communication

ISO 14067 distinguishes between a CFP report (a detailed technical document for internal use or third-party verification) and a CFP performance tracking communication (a simplified disclosure for external audiences). Both must meet specific content requirements to prevent misleading claims.

Third-Party Verification and Certification

While ISO 14067 does not mandate third-party verification, independent assurance is strongly recommended — and increasingly required by customers and procurement frameworks. Verification against ISO 14067 is typically conducted by accredited bodies following ISO 14065 (requirements for GHG validation and verification bodies).

Verified CFP declarations carry significantly more credibility than self-declared figures. They support product environmental declarations (EPDs), green procurement bids, Scope 3 supplier data requests, and consumer-facing sustainability claims — all areas where unverified data is increasingly challenged.

Business Benefits of ISO 14067 Certification

Organisations that invest in ISO 14067-compliant carbon footprint studies gain tangible advantages:

• Supply chain access — major manufacturers and retailers are embedding product CFP requirements into supplier codes of conduct. Verified data keeps you on approved vendor lists.
• Regulatory readiness — the EU Carbon Border Adjustment Mechanism (CBAM) and product-level disclosure requirements under emerging sustainability reporting frameworks are driving demand for credible, methodology-aligned CFP data.
• Hotspot identification — the LCA process reveals which life cycle stages contribute most to emissions, enabling targeted reduction investments with measurable ROI.
• Marketing differentiation — verified low-carbon product claims, backed by an internationally recognised standard, are defensible against greenwashing scrutiny.
• Investor confidence — product-level emissions data feeds into corporate Scope 3 disclosures, improving the quality of climate-related financial reporting.

ISO 14067 and the Broader Sustainability Landscape

ISO 14067 does not exist in isolation. It connects directly to several adjacent standards and frameworks:

• ISO 14064-1 — organisational GHG inventories; product CFPs feed into Scope 3 Category 11 (use of sold products) and Category 12 (end-of-life treatment)
• ISO 14040/14044 — the LCA methodology on which ISO 14067 is built
• ISO 14025 — Type III environmental declarations (EPDs), which often use ISO 14067-compliant CFP data
• GHG Protocol Product Standard — broadly aligned with ISO 14067; organisations familiar with one can transition to the other with minimal rework

Understanding these linkages helps organisations build an integrated approach to environmental data management rather than running siloed studies.

Getting Started with ISO 14067

A practical implementation path typically involves three phases. First, conduct a screening LCA to identify the most emissions-intensive products and life cycle stages — this prioritises where detailed ISO 14067 studies will deliver the greatest value. Second, build internal data collection capability, particularly for primary manufacturing data, which is often the weakest link in product CFP studies. Third, engage an accredited verification body early in the process to align on methodology choices before data collection begins, avoiding costly rework.

Organisations with existing ISO 14001 (Environmental Management) or ISO 50001 (Energy Management) systems have a head start: their energy and material flow data provides a strong foundation for LCI compilation.

How MaxStandards Can Help

At MaxStandards Certification, we support organisations through every stage of the ISO 14067 journey — from initial scoping and gap assessment to full CFP study support and third-party verification readiness. Our consultants combine deep LCA expertise with practical knowledge of supply chain data challenges, helping you produce credible, audit-ready carbon footprint figures efficiently.

Whether you are responding to a customer questionnaire, preparing an EPD, or building a product-level emissions reduction programme, ISO 14067 certification gives your data the rigour and credibility it needs. Contact MaxStandards today to discuss how we can support your product carbon footprint programme.