We’ve long spoken about carbon dioxide when we talk about climate change. “Carbon footprint” has become a common word. But quietly, almost invisibly, another gas is warming our planet at an alarming pace, methane. And fashion, yes fashion, has more to do with it than we might think. According to recent findings, the fashion industry emits 8.3 million tonnes of methane annually. That figure may feel abstract, until you realize methane is 80 times more powerful than carbon dioxide in trapping heat in the short term. It acts quickly, aggressively, and relentlessly. Unlike carbon dioxide, which lingers for centuries, methane has a shorter life span in the atmosphere. That means cutting methane emissions today could slow global warming more effectively and more immediately than most other climate actions. And here’s where the story gets even more uncomfortable: the bulk of fashion’s methane problem doesn’t come from synthetic fabrics or chemical processes, but from the materials we’ve often romanticized, leather, wool, and cashmere. These animal-derived materials represent only 4% of the textiles used in fashion. Yet, shockingly, they account for 75% of its methane footprint. This imbalance raises a question we can’t ignore: if such a small slice of the industry is responsible for such an oversized share of emissions, what does that mean for the future of “luxury” as we know it?
The Myth of Natural Luxury
For centuries, animal-derived materials have been sold to us as symbols of timeless elegance. A fine leather bag, a soft cashmere sweater, or a wool overcoat has always been marketed as something natural, durable, and enduring. Unlike synthetic fibers spun out of petroleum, these fabrics carried an aura of authenticity, nature’s gifts, carefully crafted into heirlooms. But “natural” doesn’t always mean sustainable. Raising cattle for leather, goats for cashmere, and sheep for wool involves farming practices that release enormous amounts of methane into the atmosphere. Ruminant animals, by nature of their digestive systems, burp methane as they graze. Multiply that by the millions of animals bred for fashion every year, and you begin to see why a single wool sweater has a much heavier climate cost than a synthetic one. Take cashmere, for instance. Revered for its softness and warmth, cashmere comes from the undercoat of goats, primarily in Mongolia and China. But these goats are voracious grazers. They pull up plants by the roots, stripping grasslands bare. Overgrazing leads to desertification, threatening not just the climate but also the livelihoods of herders. And all the while, the goats release methane with every meal. Leather is no different. While often marketed as a “by-product” of the meat industry, leather production locks fashion even more tightly to livestock farming, one of the most methane-heavy industries in the world. Every leather jacket or handbag carries with it the methane shadow of cattle farming.
A Hidden Cost Few Talk About
What makes methane in fashion particularly insidious is how invisible it is to the average consumer. When we see sustainability campaigns in fashion, they often focus on reducing water usage, promoting recycling, or cutting down plastic packaging. These are valid concerns, but rarely do we hear a brand admit: “Our leather goods are fueling methane emissions.” Why the silence? Perhaps because leather, wool, and cashmere are still the crown jewels of luxury. They are the very products that command the highest price tags and carry the most prestige. To question them is to question the foundations of “heritage” fashion. But if we’re serious about climate commitments, methane can no longer be the elephant in the showroom.
The Bigger Picture: Fashion and Food Intertwined
To talk about methane in fashion is to also talk about the food system. The cattle raised for beef also become the source of leather. The sheep providing wool are also bred for meat. The same goats that give us cashmere may also feed families. This interconnectedness means we cannot isolate fashion’s impact from agricultures. It also means solutions need to bridge industries. Reducing global livestock numbers, investing in regenerative farming, and scaling up plant-based alternatives all play a role. Yet fashion has a responsibility to rethink its material choices. If only 4% of textiles are animal-based but they account for three-quarters of methane emissions, then there’s enormous potential for change right at the material stage.
Rethinking Luxury
What if luxury was not about rarity that destroys, but rarity that preserves? Imagine a future where craftsmanship, heritage, and beauty are decoupled from the methane-heavy animal supply chain. Where prestige comes not from animal hides but from innovation, longevity, and ethical choices. We already see glimpses of this shift. Mushroom-based leather alternatives are making their way into designer collections. Apple peel leather, pineapple fiber (piñatex), and even lab-grown materials are proving that beauty and durability need not come at the planet’s expense. Wool alternatives made from recycled textiles or agricultural waste are beginning to emerge. And while none of these options are perfect, they represent steps towards a future where “luxury” doesn’t have to mean methane. The deeper question is cultural. Can we unhook ourselves from the story that animal-derived equals natural equals better? Because as the methane data shows, nature is paying a heavy price for our nostalgia.
A Consumer’s Role
As consumers, we hold more power than we think. Every purchase we make is a vote, not just for style, but for the systems behind it. If we love leather, wool, or cashmere, we need to ask harder questions:
- Where was this material sourced?
- How were the animals raised?
- What certifications (if any) back up sustainability claims?
And we mustn’t underestimate the power of choosing alternatives. Opting for plant-based or recycled materials, supporting brands experimenting with innovations, or simply choosing to buy less but better, these choices ripple outward.
Beyond the Seams Checklist: Shopping with Methane in Mind
Here’s a simple checklist to keep in mind next time you’re shopping:
- Check the label: Is it leather, wool, or cashmere? Remember, these carry high methane costs.
- Seek alternatives: Look for plant-based or recycled fabrics. Banana fiber, hemp, organic cotton, or lab-grown leathers and innovations are making waves.
- Buy second-hand: If you truly love leather or cashmere, consider vintage or thrift. Extending the life of existing products reduces demand for new production.
- Ask questions: Push brands to be transparent about sourcing and methane reduction.
Fashion has always been about storytelling. Leather, wool, and cashmere once told stories of refinement, warmth, and wealth. Today, we know they also tell a story of methane, climate change, and ecological strain. If 4% of the materials are responsible for 75% of the methane, then our power lies in questioning that 4%. In saying no to traditions that no longer serve the planet. In redefining beauty, not as something extracted from animals, but as something that coexists with life. It’s time to rewrite that story. To go beyond the seams and stitch a new narrative, one where luxury is measured not by what we take from the earth, but by what we choose to give back. Because in the end, the most fashionable thing we can do is let the planet breathe a little easier.