Some of the world’s most recognisable names in sportswear and outdoor apparel have joined hands to address one of the fashion industry’s most persistent environmental challenges. Nike, Patagonia, Under Armour, Lululemon, Cotopaxi, and REI Co-op are among the founding members of the newly formed Microfiber Action Alliance (MAA), an initiative established in partnership with The Nature Conservancy (TNC) to accelerate the fight against microfibre pollution.
What the Microfiber Action Alliance Sets Out to Do
The MAA was created with a clear purpose — to speed up the adoption of effective, evidence-based measures that can prevent the release of microfibres into the environment. These tiny particles, shed from both synthetic and natural textiles during manufacturing, everyday use, and laundering, have become a growing concern for environmental scientists and conservationists alike.
Research cited by TNC indicates that microfibres account for more than 30% of ocean microplastics, a figure that highlights just how widespread the problem has become. While synthetic fibres such as polyester are most commonly associated with microfibre pollution, natural materials including cotton and wool are not entirely free from blame — particularly when treated with industrial dyes or chemical finishes. Once released into the environment, microfibres are notoriously difficult to remove due to their persistent and widely dispersed nature.
A Collaborative Approach Across the Textile Sector
TNC Plastics Project Director Patrick Jurney acknowledged the complexity of the issue, noting that years of industry research have produced meaningful scientific advancements. He emphasised that addressing microfibre pollution requires coordinated collaboration across the entire textile industry and expressed TNC’s commitment to helping member companies build upon and apply those research efforts — ultimately for the benefit of freshwater ecosystems, oceans, wildlife, and communities around the world.
The MAA is not starting from scratch. It has been designed to complement the existing work of The Microfibre Consortium, an organisation that has long been focused on developing scientific understanding and practical tools to help the textile sector reduce fibre fragmentation. Rather than duplicating efforts, the alliance aims to implement and evaluate solutions directly within each member company’s supply chain, generating real-world data and sharing findings across the broader industry.
Industry Body Welcomes the Alliance’s Focus on Innovation
The Microfibre Consortium’s Chief Executive Officer Kelly Sheridan welcomed the formation of the MAA, expressing enthusiasm for its focus on accelerating the adoption of new technologies and innovation across supply chains. Sheridan confirmed that The Microfibre Consortium looks forward to collaborating with the alliance’s members and the wider industry to work towards meaningful reductions in fibre fragmentation.
An Open Alliance with Industry-Wide Ambitions
According to TNC, the Microfiber Action Alliance is open to new member companies and plans to develop a scalable roadmap in the years ahead. The goal is to drive measurable, industry-wide progress against microfibre pollution — moving beyond individual corporate commitments and towards a sector-level response to a problem that has quietly accumulated across the world’s waterways and oceans for decades.
With founding members of this scale already on board, the alliance represents a serious and structured effort by the textile industry to confront microfibre pollution head-on, combining scientific rigour with supply chain accountability.






























