Asda has become the first UK supermarket to join the Microfibre Consortium, which seeks to reduce the impact of micro-plastics on the environment.
The supermarket has joined other brands in trying to reduce the impact of microfibres in clothing. The group aims to understand the issue of microfibre shedding, how and why it occurs, and find ways for the industry to reduce it.
Asda's George is the second-biggest clothing brand in the UK by volume.
Earlier this year Asda launched a strategy to reduce plastic waste.
Laura Babbs, sustainability manager at Asda, said: "Asda has been working to reduce the impact its products have on the environment for many years, such as voluntarily banning microbeads from our products and helping our suppliers reduce their carbon footprint.
Asda has announced potential redundancies for just under 2,500 staff over five separate areas, including fashion arm George.
The CEOs of Sainsbury's and Asda have been accused of creating a "financial fix" and using "mickey mouse" numbers by MPs in a parliamentary hearing over the supermarkets' merger.
Get a first look at the upcoming womenswear offering from Asda's George.
Former strategy director at Asda Geoffrey Carr, who is credited for helping introduce clothing into supermarkets, has died aged 66.
Asda has promoted Nick Jones, who heads up the supermarket's George clothing range, to its executive board.
The proposed £12bn merger of supermarkets Sainsbury's and Asda is set to face scrutiny from MPs.
Asda clothing brand George has pledged to only use recycled polyester by 2025, as part of a range of commitments to improve the ethical and environmental impact of its products.
The environmental audit committee's interim report on fashion retailers' ethical and environmental track records show the industry needs to make up a lot of ground.