On May 29, 2024, the European Union adopted the Green Claims Directive—the world’s most comprehensive regulation on environmental claims. Starting September 27, 2026, this directive will reshape how companies communicate about their climate and environmental performance.
Yet perhaps its most substantial contribution to the global fight against greenwashing lies beyond communication itself. By demanding scientific substantiation and independent verification, the directive creates a powerful catalytic effect on how organizations actually manage climate and environmental aspects within their internal processes and business models. Rigorous measurement, transparent reporting, and credible verification require companies to build genuine institutional capacity—embedding climate and nature-positive practices into operations, governance, and strategic planning.
In this way, the directive becomes far more than a communication standard. It becomes a driver of authentic, long-term business transformation toward more responsible and resilient models of growth.
Why Now? The Greenwashing Crisis
For years, companies have made sweeping environmental claims with little to back them up. “Eco-friendly,” “sustainable,” “carbon neutral”—these terms became marketing tools rather than meaningful commitments. Consumers were misled. Investors couldn’t trust corporate climate disclosures. And organizations genuinely committed to environmental action found themselves competing on unequal terms against those simply telling a better story.
The scale of the problem demanded a response. Studies show that over 50 percent of environmental claims lack adequate scientific backing. Companies making unsubstantiated claims gained unfair competitive advantage, while those investing seriously in real climate action struggled to differentiate themselves in crowded markets. The EU Green Claims Directive exists to end this dynamic—rewarding authentic environmental leadership and holding greenwashing accountable.
What Changes on September 27, 2026
Starting that date, environmental claims must meet three non-negotiable requirements:
- Scientific Substantiation: Every environmental claim must be backed by rigorous, verifiable evidence. Methodology must follow recognized international standards, and data must be representative, accurate, and current.
- Independent Third-Party Verification: Internal assessments no longer count. Claims must be validated by accredited external bodies with no financial interest in the outcome. Self-certification is prohibited.
- Transparent Communication: Companies must clearly disclose what they measured, how they measured it, which standards they followed, what was excluded, and how long the claim remains valid. Ambiguity is not permitted.
These three requirements together signal something important: compliance is a management challenge as much as a communication challenge. Organizations that approach the directive as a reporting exercise will struggle. Those that embed its principles into governance, operations, and business strategy will thrive.
Prohibited Claims: What Companies Can No Longer Say
The directive explicitly prohibits claims that cannot meet these standards. Understanding these prohibitions is essential for any organization currently making environmental statements:
Restrictions on “Carbon Neutral” and “Climate Positive”
- “Carbon neutral” without verified real reductions: Claims must be grounded in genuine emissions reductions across Scope 1, 2, and 3. Carbon offsets may only be used in a complementary manner for residual emissions.
- “Climate positive” without verified carbon removals: This requires removing more carbon than emitted through mechanisms like ecosystem restoration or reforestation. Claims based solely on renewable energy or credit purchases are prohibited.
Addressing Vague and Partial Claims
- Vague environmental terms: Terms like “eco-friendly” or “green” are prohibited without specific metrics and measurable indicators.
- Excluding Scope 3 emissions: Claiming neutrality while ignoring supply chain impacts is considered misleading. The directive requires full disclosure of scope coverage.
- Lack of methodology disclosure: Companies must explain the standards, boundaries, and verification bodies used to arrive at their conclusions.
- Future-oriented claims without current substantiation: Promises for 2030 are commitments, not verified performance. Claims must reflect today’s evidence-based achievements.
Why This Matters: The Competitive Opportunity
The Green Claims Directive is a compliance requirement—but organizations that understand its deeper logic will recognize it as a market opportunity of significant proportions.
Companies that move now—establishing rigorous environmental measurement, embedding climate and nature-positive governance into their operations, and securing independent verification before September 2026—gain first-mover advantage in markets increasingly demanding authenticity.
Early adopters gain market trust, investor confidence, and regulatory resilience simultaneously. Organizations that build genuine internal capacity for environmental management emerge as the trusted leaders in their sectors.
The Global Ripple Effect
The EU is establishing the global standard, but it will not remain alone for long. Similar frameworks are already emerging in the United Kingdom, Canada, and other major economies. Organizations that build robust, verified environmental programs now will be positioned for global compliance rather than scrambling market by market as regulations tighten worldwide.
What This Means for Your Organization
If your organization makes environmental claims, the time to act is now. Start by auditing your current claims honestly: Which are scientifically substantiated? Which have been independently verified?
Then build the foundation: * Rigorous baseline measurement across all scopes.
- Partnerships with accredited independent verifiers.
- Transparent action plans with measurable targets.
- Monitoring systems aligned with ISO 14064 and the GHG Protocol.
The most important investment is organizational. Build the internal governance structures and technical capacities that make climate and nature-positive action a permanent part of how your organization operates.
Green Initiative: A Partner for Authentic Transformation
At Green Initiative, we support companies and destinations in building the internal institutional capacity to measure, manage, and verify their environmental impact rigorously.
We help organizations understand that decarbonization and nature restoration are investments that strengthen long-term resilience and open access to sustainability-driven markets. Through science-based frameworks and independent certification, we walk alongside organizations on this journey.
The standard is rising. The opportunity belongs to those who rise with it.
This article was prepared by Yves Hemelryck from the Green Initiative Team.
