Why sustainability codes have shifted: From global good to personal preservation

Sustainability is one of the clearest examples of how cultural context shapes behaviour – and how quickly meaning can shift. It offers a window into the importance of observing and interpreting culture as it evolves, not just reacting to it.

Over the past decade, the climate crisis has moved from something global and collective to something far more immediate and personal. Where brands once spoke to people as citizens of the world, they now speak to individuals trying to protect themselves within it.

Culture isn’t a backdrop. It’s the point.

Brands don’t operate in a vacuum. They operate within culture – and culture shapes how people think, feel, and act. That means assumptions about relevance, positioning, and brand codes aren’t fixed – they move.

Sustainability messaging is a clear example of this. What resonated ten years ago doesn’t land in the same way today – not because people stopped caring, but because the context around all of us has changed.

Understanding culture isn’t a one-off exercise, but something that needs to be continually observed and interpreted.

The first wave of sustainability: a systems-level approach

The 2010s marked the rise of modern purpose marketing. It was outward-looking, collective, and focused on the health of the planet, more so than the individual. The emphasis was on systems – the environment, global responsibility, long-term impact.

This was the era of:

• The Paris Agreement, signalling unprecedented global alignment, positioning climate action as a shared, collective responsibility across nations and industries.
• The Ellen MacArthur Foundation, which helped mainstream the circular economy – shifting sustainability from recycling to rethinking how products are made and used.
• A global wave of youth-led climate lawsuits, reframing environmental protection as a matter of government responsibility, not just advocacy.
• Greta Thunberg’s school strikes, which galvanised a generation and turned climate concern into a visible, collective force brands couldn’t ignore.

Brands responded to the moment, racing to signal alignment to this cultural shift, with many apparel and footwear brands publicly sharing their Sustainable Development Goals (SDGs) and purpose reports.

The bar was raised by companies investing heavily in sustainable efforts and making them visible – something you could show, measure, and market:

• B-Corp status became a badge – every company wanted to prove their brand's credentials.
• Adidas launched Parley for the oceans, a collaboration that saw them taking plastic out of the oceans and turning them into shoes.
• Nike’s “Move to Zero” platform showed how the brand was changing the way it produced shoes and reducing its carbon footprint.
• Patagonia’s long-standing commitment to sustainability made it a cultural benchmark – a north star that demonstrated corporate responsibility could be both authentic and commercially successful.
• Digitally native brands like Everlane, Warby Parker and AllBirds reframed transparency as a selling point, using direct-to-consumer channels to expose the inflated pricing, materials, and supply chains of big brands in unprecedented detail.

Being green was something you declared – because if you didn’t, you weren’t reading the room. And for a while, that worked.

How sustainability shifted from planet to person

Then the context changed. The pandemic marked a turning point – not just behaviourally, but psychologically. Attention moved inward, and the question shifted from “How do we save the planet?” to “How do I get through this?”

Daily life became more immediate, constrained, and uncertain. At the same time:

• Economic pressure increased
• Online shopping accelerated
• Fast fashion made high-volume consumption easier than ever
• Dupe culture was embraced by consumers who didn't want to pay extra for a brand halo.

The result was a quiet but significant recalibration of priorities. People didn’t stop caring about big issues, but they were more comfortable making decisions through a more personal lens.

Why sustainability now feels like personal preservation

Today, the centre of gravity has shifted again. Concerns about sustainability haven’t disappeared – but they’ve become more tangible and more personal.

Take plastic. For years, plastic pollution was framed as an environmental issue – something happening in oceans or shipped offshore as another country's problem. Now, it’s understood differently:

• Microplastics are  entering our food and water supplies
• Synthetic materials have been detected in the human body
• Long-term health implications are only just beginning to emerge  

The question has changed. It’s no longer just “Is this better for the planet?”. It’s “What is this doing to me?”. This is a fundamentally different framing for brands to navigate.

It’s not always neat or linear. Concern around microplastics has pushed some apparel brands toward natural fibres like cotton. Cotton’s water demand is well-documented – one of the reasons many brands previously shifted toward synthetics.

Now, another resource-intensive force has entered the equation: data centres, with growing demands on water and energy. The sustainability equation shifts again.

In the face of this complexity – and decision fatigue – choosing a “natural” t-shirt becomes more than a rational sustainability decision. It becomes an act of self-protection.  

Why yesterday’s sustainability messaging is losing impact

When context shifts, meaning shifts with it. And that’s where brands get stuck. Messaging that once signalled responsibility to the planet – recycled materials, carbon metrics, sustainability reports – now feels distant and abstract, at a time when people are focused on protecting themselves.

In this era:

• Sustainability is seen as hygiene, not a reason to buy.
• Greenwashing has eroded trust generally.
• People zero in on individual products and materials, not just a brand’s position.

In this context, the global responsibility of sustainability can feel overwhelming – too distant, too complex, too hard to influence. What’s left is self-defence: people narrowing their focus to what they can control, making smaller, more personal choices that protect their own world first.

The “say–do gap” isn’t inconsistency – it’s adaptation

People still care about the world around them. They want fairness, sustainability, and progress. But how those values show up in behaviour is shaped by cultural context.

The well-known “say–do gap” isn’t a contradiction. It’s a reflection of competing pressures – economic, emotional, and cultural. As those pressures shift, so does what it looks like to “care”. Is this a bad thing? As always, when it comes to analysing culture, it’s not about judging, but seeing clearly what is shifting around you.

What this means for brands

For brands, this cultural shift changes the role of sustainability. It can’t sit at a messaging level or exist as a set of claims.

Sustainability needs to be built into the product and experience itself – not just communicated. Because when context shifts, anything surface-level is the first thing to lose credibility.  

Culture is what shapes that context. It influences how people think, what they prioritise, and what they expect from brands. And those expectations don’t stand still – neither can marketing.

Brands that understand the world their customers are navigating are better placed to build lasting relevance.

Culture is shaping behaviour and brand relevance every day. Is your strategy evolving with it?  

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