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As algae are increasingly marketed on the basis of their sustainability, environmental and health benefits, EU rules on claims are becoming more important. This chapter covers the forthcoming EU Green Claims Directive, the Empowering Consumers Directive, and the existing framework under which misleading sustainability claims may be challenged. It is relevant to any algae business making environmental or sustainability claims in marketing materials, on packaging, or in B2B communications.

Algae are frequently marketed with strong sustainability narratives — low land use, CO₂ absorption, ocean health, circularity, natural origin — many of which are genuinely based in environmental science but may be overstated or contextually misleading in specific product applications. EU consumer protection law requires that commercial claims be truthful, substantiated and not misleading; the new EU Green Claims regulatory package sharpens these requirements substantially.

Proposal for a Directive of the European Parliament and of the Council on substantiation and communication of explicit environmental claims (Green Claims Directive), COM(2023) 166 final. (Note: as of June 2026, the Green Claims Directive was still in the legislative process — check current status and OJ reference for the adopted text.)

Relevance to algae: When adopted, the Green Claims Directive will impose binding requirements on explicit environmental claims (voluntarily made by companies about the environmental performance of their products or services). Key requirements expected in the final Directive:

• Pre-substantiation: environmental claims must be substantiated before use, based on widely recognised scientific evidence and state-of-the-art methodology. For algae products, this means that claims like “carbon negative”, “ocean-friendly”, “zero-waste production” must be backed by verifiable lifecycle assessment data following recognised methodology (ISO 14040/44, PEF).
• Comparative claims (“more sustainable than X”, “lower footprint than conventional protein”) require a comparison based on equivalent scope, boundary and methodology — cherry-picking favourable parameters is prohibited.
• Third-party verification: environmental claims may need to be verified by accredited third-party verifiers (the Directive proposes a verification system for explicit claims).
• Prohibited claims: generic claims with no substantiation (e.g. “eco-friendly”, “sustainable”, “green”, “natural”) that cannot be demonstrated to have an excellent environmental performance will be prohibited or severely restricted.
• Carbon offset claims: claims that a product is “carbon neutral” or “net zero” through the use of purchased carbon offsets (rather than actual emission reductions) will be restricted or require prominent disclosure of the offset-based nature of the claim.

For algae businesses, the Green Claims Directive has particular relevance for claims about: carbon footprint and CO₂ absorption, land-use efficiency, water use, biodegradability, and circular/waste-based production.

Directive (EU) 2024/825 of the European Parliament and of the Council of 28 February 2024 amending Directives 2005/29/EC (Unfair Commercial Practices Directive) and 2011/83/EU (Consumer Rights Directive), OJ L, 6.3.2024.

Relevance to algae: This Directive, already adopted, amends the Unfair Commercial Practices Directive (UCPD) to explicitly address greenwashing and misleading sustainability claims:

• New prohibited practices under Annex I UCPD: making a general environmental claim (“eco”, “environmentally friendly”, “green”) without recognised excellent environmental performance; making an environmental claim about a product where it relates only to the product itself when the manufacturer's overall practices are highly polluting; making sustainability claims not substantiated by explicit commitments in a credible implementation plan; claiming carbon-neutrality based solely on offsets.
• Eco-label restrictions: displaying a sustainability label not based on a public certification scheme or established by public authorities (i.e. private, unverified sustainability logos and seals) becomes an unfair commercial practice.
• Durability claims: making claims about product durability without substantiation is restricted.

Member states were required to transpose this Directive by March 2026, with application from that date. This means that algae companies must already comply with the strengthened UCPD rules on sustainability claims; the more extensive Green Claims Directive requirements will follow when that Directive is adopted and transposed.

Directive 2005/29/EC of the European Parliament and of the Council of 11 May 2005 concerning unfair business-to-consumer commercial practices in the internal market, OJ L 149, 11.6.2005, p. 22 (as amended).

Relevance to algae: The UCPD is the existing and currently applicable framework for unfair commercial practices, including misleading claims. Even before the 2024 amendments, the UCPD prohibited:

• Misleading actions (Art. 6): false information about the nature, composition, origin, or environmental impact of a product.
• Misleading omissions (Art. 7): omitting material information that consumers need to make informed decisions.

National enforcement authorities (consumer protection agencies) across the EU have used the UCPD to take action against greenwashing in various sectors. Enforcement in the algae sector is limited to date, but the overall regulatory direction makes proactive compliance essential.

The interaction between health claims (Regulation (EC) No 1924/2006, covered in Health and Nutrition Claims) and sustainability claims creates a dual compliance challenge for algae food products marketed both on health grounds and sustainability grounds. Both claim frameworks apply simultaneously; a label that satisfies the health claims rules may still make non-compliant environmental claims, and vice versa.

• Audit all current marketing communications (labels, website, social media, brochures, B2B materials) for environmental or sustainability claims; assess each claim against the UCPD (including 2024 amendments) before the compliance deadline.
• Substantiate every explicit environmental claim with documented evidence based on recognised methodology; maintain a claims substantiation file with supporting LCA data, test reports, or third-party assessments.
• Avoid generic unqualified claims (“sustainable”, “eco-friendly”, “natural”, “green”) that cannot be substantiated by reference to a specific, verifiable environmental characteristic.
• Carbon neutrality and offset claims are high-risk under the evolving framework — if using offsets, clearly disclose this and document the offset quality and registry.
• Prepare for the Green Claims Directive — once adopted, it will require pre-substantiation and potentially third-party verification; starting the substantiation process now (LCA studies, methodology alignment) positions producers ahead of the compliance deadline.
• Private eco-labels (logos designed by the company itself without third-party certification) are now prohibited practices under the Empowering Consumers Directive; replace with accredited third-party certified claims or factual statements.

See also: Health and Nutrition Claims | EU Quality Schemes and Geographical Indications | Greenhouse Gases and Climate | Organic Production and Other Certifications

Last reviewed: June 2026.