For years, a company’s sustainability story had a clear home: inside a massive, 100+-page sustainability report. These reports captured the full scope of a company’s efforts — carefully, comprehensively and all at once.

But what lived in those pages didn’t always make its way into marketing campaigns that actually drove brand preference and sales. Most often, the stories stayed buried within pages, within pages, within pages on websites, invisible to the customers and consumers who most wanted to hear those stories.

Now, that’s changing.

The Corporate Sustainability Reporting Directive (CSRD) is an EU rule requiring many large companies — including non-EU companies doing a certain amount of business inside the EU — to report on environmental, social and governance (ESG) practices starting in the next few years.

CSRD will rise the bar on disclosures, demanding more rigor, standardization and data-driven evidence. Soon, every company will report exactly the same metrics, and every “report” will look more like a 10-K than a storybook.

To most sustainability leaders, this is anxiety producing. They are actively asking the question, “now how will we tell our sustainability story?!” The truth is, when the story was trapped inside a report and buried on a corporate website, the story wasn’t actually being told – which was a missed opportunity for marketers. Now, marketers have an opportunity to craft the sustainability narrative and communicate it to the most important audiences through the channels where they’re likely to see it – and drive preference and sales as a result. 

Why telling your sustainability story matters now

At the Marketing Communications Agency inside ERM, we have been surveying people every year for 20 years to understand their beliefs and expectations on a whole range or people and planet topics. We’ve seen growth in the importance of sustainability communications all along the way – and it hasn’t slowed down just because politics have taken a right turn. Nearly two-thirds of people around the world say a company’s social and environmental actions influence their buying decisions — 64% for social issues, 67% for environmental reputation (Eco Pulse® 2025).

People are paying attention: consumers, employees and investors want to see real action on reducing emissions, supporting communities and driving impact. Brands that communicate transparently and authentically are rewarded with consumers’ pocketbooks, while silence or vague claims can erode trust.

Yet many companies fall into “greenhushing” — doing the work but not sharing it. Strategic storytelling can bridge that gap, turning action into reputation, trust and measurable business results.

Crafting stories that resonate

Successful sustainability storytelling rests on three pillars:

• Credibility first: Every claim must be verifiable, grounded in data and supported by accessible information. Don’t hide it in reports — make it visible wherever your audience encounters your brand, from packaging to product pages to campaigns.
• Relevance matters: Not every company can or should cover every sustainability topic. Focus on what truly matters to your business/brand and your customers. Build your story on that foundation.
• Consistency builds trust: Sustainability can’t be a one-off message. Repetition across channels ensures that by the time someone is making a purchase decision, they already know what you stand for.

Trust isn’t built in a moment — it’s built over time through proof and repetition.

Bridging the gap: doing + saying

In today’s sustainability landscape, storytelling must bridge doing and saying. What you say only matters if it’s backed by proof. What you do only matters if people hear and understand it. For too long, an industry gap has existed between exhaustive sustainability reports and generic marketing campaigns — and that’s precisely where effective communication must operate.

At ERM Marketing & Communications Agency (ERM MCA), we fully integrate sustainability action and communication — helping companies maximize the story they have today while building an even stronger one for tomorrow. Trusted by some of the world’s largest companies, we turn sustainability into a source of value and impact, reducing risk, strengthening brand affinity and driving preference for sustainable products and services.

Our aim is to ensure that what any of our clients do and say work together — transforming data and action into stories that resonate, inspire and drive results. Catch up on all of our latest data to better understand why it’s more important than ever to tell your organization’s sustainability story, and reach out so we can help you fully leverage that story to create real impact in the world and in your organization.