Adding a carbon footprint label to a product sounds straightforward. In 2026, it is not. The EU's ECGT directive that enters force on September 27, 2026 effectively bans vague carbon claims on products unless they are backed by verified, third-party-certified data. If your product carries a claim like "carbon neutral," "net zero," or "low carbon" without meeting specific substantiation requirements, you are exposed to significant regulatory risk.
This guide explains the technical standards your carbon labeling must meet, what claims are legally defensible in 2026, and which ones are no longer viable under the new EU rules.
The Technical Standards for Carbon Footprint Measurement
Before labeling a product with any carbon footprint claim, you need a credible measurement methodology. Three standards dominate the market:
ISO 14067:2018 — The international standard for carbon footprint of products (CFP). It specifies principles, requirements and guidelines for the quantification and communication of a product's carbon footprint. This is the most globally recognized standard and the one most commonly referenced in regulatory contexts.
PAS 2050:2011 — The UK-developed specification for assessing lifecycle GHG emissions of goods and services. Widely used by UK businesses and accepted by EU regulators as a credible methodology. Updated guidance was published in 2024 to align with current ECGT requirements.
GHG Protocol — Product Standard — The most used standard globally for lifecycle GHG accounting. Aligns with ISO 14067 in most respects and is the foundation for many sector-specific methodologies.
All three standards require a lifecycle assessment (LCA) approach that covers at minimum Scope 1, 2, and upstream Scope 3 emissions across the relevant product lifecycle stages. A simplified "operational only" measurement does not meet these standards.
What the EU ECGT Directive Says About Carbon Labels
The EU ECGT directive (Directive 2024/825, enforceable from September 27, 2026) creates a specific legal framework for environmental claims on products. Key provisions directly affecting carbon labeling:
Generic environmental claims are banned without substantiation. Claims like "eco-friendly," "green," "sustainable," or "climate conscious" without specific evidence are now prohibited. This extends to carbon-adjacent terms used without data.
Carbon neutrality claims require offset transparency. If you claim "carbon neutral" based on offset purchases rather than actual emission reductions, you must disclose: the nature of the offsets, the standard used, and the proportion of residual emissions being offset versus reduced.
Future performance claims need committed plans. If your label claims "carbon neutral by 2030," you must have a published, committed, science-based transition plan with interim milestones. Aspirational targets without implementation plans are no longer compliant.
Comparative claims need a defined comparator. "50% lower carbon than our previous product" requires specifying what the previous product was, when it was sold, and how the comparison was calculated.
Carbon Labels That Are Currently Compliant
Several established labeling schemes meet the 2026 regulatory requirements when properly implemented:
Carbon Trust Standard — UK-based third-party certification covering product carbon footprints. Well-recognized in European markets. Meets ISO 14067 requirements. Valid for product-level claims.
Carbon Footprint Ltd — Product Carbon Footprint Label — Uses PAS 2050 or GHG Protocol methodology, third-party verified. Accepted by most EU regulators as compliant with ECGT substantiation requirements.
Climate Partner Certified Carbon Neutral — Requires both carbon measurement (ISO 14064/14067) and verified offset or reduction plan. The label specifies the year of measurement, which addresses ECGT transparency requirements.
EU Environmental Footprint (EF) — The European Commission's own methodology for measuring environmental impacts including carbon. Likely to become the preferred basis for EU product environmental labeling as implementing regulations under ECGT are finalized.
Carbon Labels That Are No Longer Defensible
Several previously common labeling approaches are no longer legally safe under 2026 standards:
- "Carbon neutral" based on purchased offsets only — without disclosure of the proportion of emissions reduced vs. offset, the offset standard used, and a committed reduction roadmap
- "Net zero" as a marketing claim — without alignment to a recognized net zero standard (SBTi Net-Zero Standard, ISO Net Zero draft standard) and third-party verification
- Generic "low carbon" labels — without a specific quantified footprint and defined baseline for comparison
- "Climate positive" without specific data — this claim implies net negative emissions and requires robust LCA verification across the full value chain
- Carbon labels based on supplier self-reported data only — third-party verification of at least upstream Scope 3 emissions is now expected
What Businesses Should Do Now
If you currently carry carbon claims on products sold in EU markets, a compliance review before September 27, 2026 is essential. The practical steps:
- Audit existing claims — identify all carbon-related claims on packaging, marketing, and digital channels
- Match each claim to a verifiable data source — is there an LCA, an ISO 14067 assessment, or third-party certification behind it?
- Review offset disclosures — any carbon neutrality claim based on offsets needs transparent disclosure of standard, volume, and reduction commitment
- Update packaging with a compliance transition plan — packaging lead times mean you need to start now to meet the September deadline
- Consider third-party certification — it significantly reduces regulatory risk and consumer trust exposure
For businesses using our Green Claims Scanner, you can run your existing product page claims through our ECGT compliance check to identify which specific claims require updating before the September 2026 deadline.