Greenwashing Laws 2026, Every Environmental Claim on Your Website Is Now a Legal Risk

"Eco-Friendly" Is Now a Regulated Claim

If your website, product packaging or marketing copy includes any of these words, sustainable, eco-friendly, carbon neutral, net zero, green, planet friendly, biodegradable, recyclable, regulators want to see your evidence.

In 2026, three major regulatory frameworks are actively targeting greenwashing:

1. EU Green Claims Directive, proposed 2023, entering enforcement phase 2026

2. CMA Green Claims Code, UK guidance backed by Competition Act enforcement powers

3. FTC Green Guides, US framework with Section 5 enforcement authority

All three carry the same message: environmental claims must be specific, substantiated and not misleading.

What "Substantiated" Actually Means

The EU Green Claims Directive sets the highest standard. A claim is substantiated when:

• •It is based on internationally recognised scientific methods
• •It accounts for the full lifecycle of the product
• •It is independently verified by an accredited third party
• •The verification is kept up to date

"Carbon neutral" requires a recognised offsetting standard, not an internal calculation. "Sustainable" requires a specific, verifiable basis, not a general company ethos.

A marketing team deciding that a product "feels" sustainable is not substantiation.

The 8 Most Common Greenwashing Violations

1. "Carbon Neutral" Without an Accredited Offset

Carbon neutrality claims require verified offsets under a recognised standard such as Gold Standard or VCS. Self-reported calculations do not qualify.

2. "Sustainable" With No Definition

"Sustainable" is meaningless without specifying what dimension of sustainability, materials, supply chain, energy, water, packaging, and providing evidence for that specific dimension.

3. "Eco-Friendly" Packaging That Isn't

Claiming packaging is eco-friendly when it contains non-recyclable elements or is not accepted by most UK local authorities is misleading under the CMA Code.

4. "Biodegradable" Without Time Frame or Conditions

Biodegradable claims require disclosure of the conditions under which biodegradation occurs and the time frame. "Biodegradable in industrial composting facilities only" is very different from "biodegrades naturally."

5. Offsetting Claims That Omit the Fine Print

"We offset our carbon footprint" without disclosing that this applies only to shipping, or only to 50% of emissions, is misleading by omission.

6. Recycling Claims for Non-Recyclable Packaging

Claiming a product is recyclable when most consumers cannot actually recycle it through standard collection channels is a violation under both FTC Green Guides and CMA Code.

7. "Plastic Free" Claims With Plastic Components

Any product claiming to be plastic free must contain no plastic in any component, including packaging, labels and adhesives.

8. Future Commitments Stated as Current Claims

"We will be net zero by 2030" is acceptable if honest. "We are committed to net zero" presented in the context of current environmental claims is misleading.

What the Regulators Are Actually Doing

The CMA has already required multiple major UK brands to remove or amend green claims following investigation. The EU Commission has identified greenwashing in over 40% of all environmental claims reviewed. The FTC has issued guidance letters and opened investigations into green claims in sectors including textiles, cleaning products and food packaging.

Red Flag AI Pro includes greenwashing scanning in the Sentinel plan, checking copy against the CMA Green Claims Code, EU Green Claims Directive standards and FTC Green Guides.