Companies are communicating sustainability by moving away from vague "green" slogans toward data-driven transparency and authentic storytelling. This shift is driven by increasing consumer scepticism, stricter regulations such as the EU's Green Claims Directive, and the need to demonstrate real-world impact to investors and employees. 

Core Communication Methods

• Sustainability & ESG Reports: Companies publish annual Sustainability Reports (or ESG reports) that use frameworks like the Global Reporting Initiative (GRI) to disclose non-financial data on environmental and social performance.
• Digital & Social Media: Brands use websites, social media, and videos to share real-time updates and engage in two-way dialogue with customers.
• Third-Party Certifications: To build trust, businesses prominently display labels like B Corp, Fair Trade, or ISO 14001 on packaging and marketing materials.
• Authentic Storytelling: Rather than just sharing data, companies like Patagonia and Unilever tell the stories of people behind their products to create emotional connections. 

Key Strategies for Credibility

• Transparency over Perfection: Leading companies are honest about their challenges and limitations rather than just highlighting successes.
• Specificity over Vague Claims: Modern communication avoids terms like "eco-friendly" in favour of concrete data, such as "80% recycled content".
• Visual Aids: Complex topics like "Net Zero" are simplified through infographics, charts, and interactive maps to make them more digestible for a broad audience. 

Emerging Challenges

• Avoiding Greenwashing: Companies face legal risks and reputation damage if they make misleading claims. In the UK, the Competition and Markets Authority (CMA) regulates these claims via the Green Claims Code.
• Greenhushing: Some organisations are now "greenhushing"—intentionally staying quiet about their sustainability efforts to avoid political backlash or intense scrutiny.