H&M is one of fashion’s biggest polluters. Now its foundation is on a $100 million quest to save the planet


The world is drowning in clothes. While curbside recycling programs have existed for half a century, there’s no easy way to recycle jeans or dresses, which means many of the 100 billion garments bought each year get thrown out: 92 million tonnes annually, in fact. By 2030, that number is expected to go up to 134 million tonnes.

H&M Group, the Swedish company that pioneered fast fashion, is partly to blame for this waste. It currently churns out 3 billion garments a year and, as of 2019, was sitting on $4.1 billion worth of unsold clothes, some of which are used as fuel for a power plant in Sweden.

The Persson family, which founded the company and still owns the largest share of it, wants to help combat this enormous waste. Seven years ago, the family launched the H&M Foundation, investing $180 million of the family’s private fortune to fund projects that solve humanitarian and environmental problems in the fashion industry. The Foundation is now pouring $100 million of this money into a promising new technology called the Green Machine that could allow consumers to recycle clothes we way we recycle Coke cans. It’s the latest step in a broader effort to recast H&M from one of fashion’s biggest polluters into a problem-solver.

[Photo: courtesy H&M]

But while the Green Machine is a big step forward in the quest to make the fashion industry more sustainable, it also raises questions. Can these efforts actually make a dent in the fashion industry’s enormous environmental footprint if brands like H&M continue churning out more and more clothes every year? To avert environmental catastrophe, experts say H&M must dramatically reduce the number of clothes it produces, but so far, the company has been reluctant to ditch the fast fashion model it spent decades perfecting.


The story of H&M is intertwined with that of the modern fashion industry. Erling Persson opened his first store in Västerås, Sweden, in 1947 after a visit to the United States, where he was inspired by the country’s high-volume stores like Neiman Marcus. His son, Stefan, took over in 1982 and built a vast global supply chain, leveraging inexpensive factories in developing countries to churn out off-the-runway looks at such low prices that customers could treat them as disposable. “Our goal from the beginning was to democratize fashion, like what Ikea did by making furniture affordable to many people,” says Karl-Johan Persson, the grandson of Erling, who served as CEO from 2009 to 2019, growing H&M’s footprint from 2,000 stores to nearly 5,000.

In the late ’90s and early 2000s, fast fashion became the industry norm. H&M’s business model was copied by other retailers, from Zara to Walmart to Gap. Selling a large volume of clothes at low prices has proved to be a lucrative business model, but it has had a devastating impact on the planet. Many consumers wear clothes only seven to ten times before throwing them away. Between 2000 and 2015, the number of garments manufactured doubled from 50 billion to 100 billion—and this figure is expected to increase as the middle class grows in Asia and Africa. In addition to creating an overwhelming amount of waste, the fashion industry generates 10% of global carbon emissions and 20% of all wastewater, and it sends half a million tons of microplastics into the oceans.

[Photo: courtesy H&M]

Today, H&M Group is a major player in the industry, generating $22 billion in revenue by selling 3 billion garments across its nine brands. But over the past decade, under Karl-Johan’s leadership, the company has begun to focus more on sustainability, partly because younger consumers care about the environmental impact of their apparel purchases. The company pledged to become climate positive by 2040; it’s an ambitious target, but Ikea has vowed to achieve the same goal a decade earlier. H&M Group also vowed to switch to entirely “sustainable fabrics” by 2030, but the company has gotten into hot water for being vague about what qualifies as “sustainable.” Separately, it has set up bins in stores, collecting tens of thousands of tons of old fabrics, ready to be recycled when the technology becomes available, and it has poured millions of dollars into technologies like the cotton recovery startup Renewcell and supply chain sharing platform Treadler.Last year, in yet another sign of its commitment to the planet, H&M Group promoted its head of sustainability, Helena Helmersson, to CEO. Karl-Johan stepped down to become chairman of the company and is a board member of the H&M Foundation, where he’s kept a close eye on the development of the Green Machine.

The Green Machine. [Photo: courtesy H&M]


Large scale fabric recycling doesn’t exist, partly because it requires expensive R&D, and most companies don’t have an incentive to invest in exploratory research that may not pan out, according to Erik Bang, who heads innovation at H&M Foundation. But because the H&M Foundation is a nonprofit, Bang says it’s better positioned to “absorb risk.” He says, “we could do the early stage research that others can’t do because it has no commercial value yet.”

Erik Bang [Photo: courtesy H&M]

To create the Green Machine, the Foundation collaborated with scientists from Ehime University and Shinshu University in Japan, along with the Hong Kong Research Institute of Textiles and Apparel (HKRITA). The latter is a branch of the Hong Kong government that develops technology for the fashion sector, which is one of the region’s major industries. Edwin Keh, HKRITA’s CEO, was particularly excited about the Foundation’s project. “Here in Hong Kong, we have visibility across the global fashion supply chain, because fashion brands bank here, source here, and use factories here,” he says. “We saw the velocity of the fashion cycle getting faster and faster every year. And if we can’t influence the velocity of the fashion cycle, then we can at least reuse the material in clothes so that it can become something else.”

Edwin Keh [Photo: courtesy H&M]

The team decided to tackle blended fabrics—like cotton mixed with polyester—which make up 90% of garments but are notoriously difficult to recycle because the fibers are so tightly wound together. Some solutions sacrifice one fiber to recover the other. Others use chemicals to dissolve the fabric, then separate the different polymers, but this introduces new problems. “While trying to solve an old problem, you create a new problem because now you have a chemical waste stream you have to deal with,” Keh says.

[Photo: courtesy H&M]

What makes the Green Machine so effective is its simplicity. Rather than introducing toxic chemicals, it uses hydrothermal technology to break cloth into fibers, which can be recovered. The water in the machine can be used over and over again in an efficient closed loop system. When it’s fully up and running, it will be able to process at least 1.5 tons of fabric a day.

The Green Machine. [Photo: courtesy H&M]

This is a relatively inexpensive solution. Keh says using recycled polyester from the Green Machine costs only two cents more per T-shirt than using new polyester, and HKRITA is working to drive down the price further. This matters because fashion brands are price sensitive; for recycled fibers to be widely adopted, they must be competitive with virgin ones. “Polyester is so very, very cheap,” says Bang. “But this approach simply recovers the fibers and respins them, which allows us to stay competitive. If we’re talking about doing this at scale, we need to make sustainable solutions available to everyone, not just at a premium for a few of us.”

The Green Machine. [Photo: courtesy H&M]

The H&M Foundation donated $7.2 million to HKRITA to develop the Green Machine, but now that the technology appears to have legs, it’s investing another $100 million over the next five years to scale it up. The Foundation won’t retain rights to the intellectual property, which will allow HKRITA to sell the machine at a lower cost.This year, HKRITA built a second Green Machine for Kahatex, a big garment manufacturer in Indonesia, to gather feedback. It plans to update the technology, then sell the machine to other manufacturers. Bang says that industrial recyclers, factories, and fashion brands have expressed interest the Green Machine already. “It’s really important that we maximize the adoption of this technology,” says Bang. “This solution does not belong to H&M, nor do we want it to be perceived as such, but really available to the entire industry.”

[Photo: courtesy H&M]


While the Green Machine is a big step toward turning garment recycling into a reality, it’s not a silver bullet. Even if the technology proves effective, it will take years for recyclers to build the infrastructure to collect clothes from households. Even then, it’s unclear whether consumers would actually go through the effort of recycling them: Plastic recycling has existed for decades, and still only 9% of all plastic is recycled. “Are any of these efforts to the scale they need to be to avert planetary disaster?” asks Maxine Bédat, founder of the New Standards Institute, a nonprofit which researches sustainability in the fashion industry. “When you actually look at the numbers, the answer is a resounding ‘no.’”

More importantly, experts argue that none of the solutions H&M is exploring—from recycling to using eco-friendly fabrics to shifting to renewable energy—will have an impact if the company continues to churn out billions of clothing items every year. “We need to keep advancing these sustainable technologies,” says Bédat. “But when H&M highlights these circular solutions that are so minuscule compared to their growth trajectory, I think we have every reason to be highly skeptical.”

In other words, if H&M’s leadership wants to reduce the company’s impact on the environment, the most direct way would be to make fewer clothes. Karl-Johan Persson acknowledges that the fashion industry is in a crisis of overproduction, but he disagrees that the solution is to cut back. “There’s no question that we’re producing more garments than people buy, people are buying more than they really need, and the planet can’t cope,” he says. “I think the solution is not to stop consuming, but to preserve jobs. The solution is to consume more responsibly and to invest more resources in innovation that will allow us to be more sustainable.”

Persson says that cutting back on manufacturing could impact H&M’s bottom line, which could lead to job losses for people in factories around the world. But some experts believe it is possible to make less, while maintaining profits. “The solution to the environmental crisis is to change your business model so you don’t rely on increasing volume to sustain your financial targets,” says Francois Souchet, fashion lead at the Ellen MacArthur Foundation. “You need to figure out how to decouple your economic growth from volume.”

This is not as impossible as it seems. Souchet recommends that brands create revenue channels that don’t require making new clothes, such as renting them, creating marketplaces for used clothes, or charging for clothing repair services. H&M Group isn’t opposed to exploring these business models. In fact, it has begun to dip its toes into them: In 2019 it began testing clothing rentals for kids and acquired a majority stake in the secondhand marketplace Sellpy. But for right now, these make up a tiny portion of its overall business.

“The most important thing is the scale and speed at which they operationalize these changes,” says Souchet. “We can’t have incremental improvements here and there, and be satisfied. There has been enough time to pilot and test; it’s time for a complete transformation.”

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About Author

Elizabeth Segran

Elizabeth Segran is senior staff writer at Fast Company, whose work has appeared in a range of publications including The Atlantic, Foreign Policy, Foreign Affairs, The Nation, The New Republic, The Chronicle of Higher Education and Salon. Her book, The Rocket Years, was published in 2020 by Harper Books. She received her Ph.D. from the University of California, Berkeley in the field of South and Southeast Asian Studies with a Designated Emphasis in Women, Gender and Sexuality. She is an expert on India, having devoted a decade to studying its history, literature, culture and gender dynamics.

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