TRUSTED BY INDUSTRY LEADERS
Our signatories are forward-thinking organisations leading on sustainability.
How It Works
Joining the Charter is straightforward, supportive, and built around helping you make meaningful progress.
Application & Assessment
We begin with a review of your current sustainability communications, presence, and history — shaping the right pathway for your organisation.
Development & Approval
Work closely with our experts through a structured period of content reviews, training, and the creation of a bespoke Green Claims Policy.
Recognition & Guidance
Once approved, you’ll gain certified signatory status, backed by continuous support, campaign reviews, and guidance to maintain high standards.
What Signatories Say
See how leading brands are earning trust and setting the benchmark for credible, responsible sustainability communication.
“We now have the confidence to communicate our sustainability story without second-guessing ourselves.”
“The Charter’s process aligned our messaging with the highest standards — and showed stakeholders we take integrity seriously.”
“With the Charter’s support, we’ve set a new standard for transparency in the construction industry — and we’re proud of it.”
Our Standards
All signatories commit to four essential principles that define responsible communication:
1.
Transparency.
Clearly communicate the sustainability benefits of your product or service, ensuring no important information is concealed or omitted.
2.
Accountability.
Substantiate your claims with accurate, empirical evidence that is regularly evaluated. Share verifiable facts, figures, and statements.
3.
Fairness.
Use fair, clear, and unambiguous language when making comparisons with other products or organisations.
4.
Honesty.
Make specific, truthful statements about your sustainability efforts, and ensure your actions align with your promises.
Insights and Impact
Explore real-world case studies and guidance on what good sustainability communication looks like — and why it matters. View all here.
Machines, Meaning, and the Future of Truth: Why AI Must (Carefully) Shape Sustainability Communications
As AI reshapes sustainability communications, tools like truMRK offer a vital way to verify green claims and prevent greenwashing. Discover how responsible AI could protect trust—and the future of honest marketing.
The Anti-Greenwash Charter: Our Next Chapter as a Not-for-Profit
We’ve got big news. The Anti-Greenwash Charter has been formally established as a not-for-profit organisation — and we couldn’t be more excited about what this means for our work, our signatories, and the future of sustainability communications.
What You Need to Know About the EU’s Green Claims Directive — And How The Anti-Greenwash Charter Can Help
The era of vague green claims and misleading eco-badges is rapidly coming to an end — at least in the EU. The EU’s Green Claims Directive is set to introduce tough new rules designed to stamp out greenwashing and restore trust in corporate sustainability claims.