Corporate sustainability initiatives are accelerating, and environmental messaging has become a common part of advertising and communication. As consumer awareness of environmental issues rises, more companies are eager to highlight their contributions.
At the same time, however, the issue of greenwashing has grown more serious. Claims that lack evidence or rely on vague and unverifiable wording not only confuse consumers, but also cast doubt on companies that are making sincere sustainability efforts.Phrases such as “eco-friendly,” “sustainable,” “green,” “carbon neutral” can all be considered greenwashing if they are not backed by clear evidence and defined boundaries. With regulations tightening around the world, companies today face increasing expectations for accountability in their environmental claims.
What Is Greenwashing?
Greenwashing refers to actions that give the misleading impression that a company is environmentally responsible, even when the reality does not support that claim.
The term originated in the 1980s, when environmentalist Jay Westerveld criticized hotels for promoting towel reuse as an environmental measure, when in fact the primary purpose was cost reduction.
Greenwashing includes not only deliberate deception, but also inaccurate or vague expressions made with good intentions. In other words, even without malicious intent, if the audience is misled, a company’s communication may be labeled as greenwashing.
Common Patterns of Greenwashing:
- Hidden trade-offs: Highlighting one environmental benefit while concealing other impacts
- Lack of evidence: Claims with no verifiable data or third-party certification
- Vague statements: Using undefined terms such as “eco-friendly”
- Irrelevant claims: Highlighting the absence of substances already banned by law
- False labeling: Using misleading or unauthorized certification marks
Global Efforts to Combat Greenwashing — Businesses and Their Accountability
Worldwide, regulatory efforts to prevent greenwashing are rapidly expanding, driven by consumer protection and fair market competition.
Europe Tightens Regulations
The European Union is advancing the Green Claims Directive, which requires companies to substantiate environmental claims with scientific evidence and undergo independent verification. Additionally, the Corporate Sustainability Reporting Directive (CSRD) mandates extensive environmental disclosures from large companies.
Legal Cases in Practice
In October 2025, the Paris Judicial Court ruled that TotalEnergies misled consumers by advertising “net-zero by 2050” while continuing fossil fuel expansion.
In 2024, the UK’s Competition and Markets Authority (CMA) investigated major fashion brands for unclear environmental claims and demanded corrective actions.
Today, greenwashing is treated as a matter not just of reputation, but also of legal and litigation risk.
Developments in Japan
Japan’s Ministry of the Environment published the Environmental Claims Guidelines (2022 edition), which call for preventing misleading claims. The Act against Unjustifiable Premiums and Misleading Representations may also apply. International standards such as ISO 14021 remain key references for environmental labeling.
Four Principles to Prevent Greenwashing
To reduce greenwashing risks and deliver trustworthy sustainability communications, companies should follow these four principles:
1. Provide Clear Evidence
Environmental claims must be supported by quantitative data, defined comparison conditions, methodologies, and verification processes.
- Before: “Our product reduces CO₂ emissions.”
- After: “Compared with our previous model, this product reduces CO₂ emissions by 30% across its full lifecycle, based on the 2024 LCA assessment by [Third-Party Organization].”
Clarity is required not only in numbers but also in what is being compared and which lifecycle stages are included.
2. Avoid Ambiguous Expressions
Terms such as “eco-friendly,” “sustainable,” “green,” “clean” are too abstract on their own. When using them, specify the scope, criteria, and timeframe.
- Before: “Made with sustainable materials.”
- After: “Made with 70% recycled polyester, reducing manufacturing CO₂ emissions by 40% (GRS-certified).”
Even “100% recyclable” should be used carefully, as actual recyclability depends on regional infrastructure.
3. Ensure Transparency and Disclosure
Organizations must clearly state the boundaries, methodologies, calculation periods, and sources of their environmental data.
For example, when making “carbon neutral” claims, disclose:
- Which scopes (1, 2, 3) are covered
- Whether offsets were used
- Breakdown between reductions and offsets
- Types and quality of carbon credits
Transparency enables stakeholders to evaluate claims appropriately.
4. Adopt Third-Party Verification
Independent verification or certification significantly enhances credibility and objectivity.
Examples include:
- GHG Protocol (emissions accounting)
- SBTi (science-based target setting)
FSC/PEFC (forest certification) - GRS (recycled material certification)
- Carbon footprint certification
Practical Checklist: Are Your Environmental Claims Greenwashing?
Use this checklist to evaluate your own communications:
⬜︎Are specific numerical data provided?
⬜︎Is the comparison target clearly defined?
⬜︎Are the lifecycle boundaries explained?
⬜︎Are methodologies and criteria disclosed?
⬜︎Are data sources and verifiers indicated?
⬜︎Are vague adjectives avoided?
⬜︎Is one positive aspect being overemphasized while others are omitted?
⬜︎Are negative impacts also disclosed?
⬜︎Are progress updates reported regularly?
⬜︎Have external reviews or certifications been obtained?
Toward “Proactive Integrity,” Not Defensive Communication
These principles are not merely about caution or risk avoidance.
They help companies build the capability to communicate their efforts accurately and effectively—a form of proactive integrity.
Evidence-based, transparent communication:
- Builds stakeholder trust
- Enhances investor confidence
- Improves employee engagement
- Differentiates from competitors
- Strengthens long-term brand value
Honest communication not only fulfills accountability, but also becomes a foundation of corporate value.
A New Era of Sustainability Communication
As global regulations against greenwashing strengthen, companies must align their messaging with actual performance, ensuring transparency and verifiability.
Rather than viewing this as regulatory burden, companies should see it as an opportunity to communicate their sustainability efforts more deeply and accurately. Clear and substantiated claims convey genuine commitment and foster trust.Now is the time to reassess your environmental communications and establish a commitment to “communicating sincere efforts with sincere language.”
This is the foundation of sustainability management—and essential for thriving in the years ahead.
🤝Consulting Support
Neuromagic provides review services for environmental and sustainability-related claims based on the EU Green Claims Directive, Japan’s Environmental Claims Guidelines, and ISO standards.
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