10 ways to cut fashion’s carbon footprint, from fabric to wash care

McKinsey estimates the fashion industry accounts for 3% to 8% of global greenhouse gas emissions, and Carbon Trust puts the purchase and use of clothing at more than 850 MtCO2 a year. Buy less, choose better fabric, keep clothes in rotation, and make the washing machine work less hard.

Buy less, but make every buy count

McKinsey’s fashion climate work mapped a 2030 pathway of 1.1 billion metric tons of GHG emissions for the sector, and McKinsey with Global Fashion Agenda warned in October 2020 that the industry would miss its 2030 emissions-reduction targets by 50% if it stayed on the current path. A 2025 Apparel Impact Institute report found fashion industry emissions rose 7% in 2023, driven by overproduction and polyester use.

Choose durability like you choose silhouette

WRAP’s 2024 clothing durability work includes its Clothing Longevity Protocol and a Durability Research Project with the Leeds Institute of Textiles and Colour. Look for seams that sit flat, fabric with recovery, hems that can be altered, and shapes that still feel sharp when the novelty is gone.

Let secondhand take the first swing

Pre-owned clothing cuts past new fiber production, the energy used to turn raw material into fabric, and a chunk of transport emissions.

Treat lower-impact materials as a proof test

A 2025 emissions spike linked polyester use to higher sector emissions, which is a reminder that cheap synthetics are not a climate free pass. If you are paying extra for a supposedly lower-impact fiber, the claim needs real traceability.

Pay attention to manufacturing energy and the miles between

Fashion’s footprint is not only in the fiber, it is in the factory floor and the route the garment takes to get to you. Carbon Trust puts over half of clothing production emissions across an international border between production and consumption, which is why shipping, production geography and energy mix matter more than the marketing copy on the swing tag. The UN Alliance for Sustainable Fashion launched on March 14, 2019, and the UNFCCC’s Fashion Industry Charter for Climate Action dates to 2018.

Say no to rush shipping and pointless returns

Rush delivery is the kind of convenience that looks tiny in a cart and ugly in aggregate. If a piece is flown, bounced around, and sent back, the footprint climbs before it has even touched your closet. The cleaner move is simple: buy when you actually need the item, group orders when possible, and cut return loops that turn a shopping decision into an extra round trip.

Wash cooler, and not every time you wear it

WRAP consumer research found that reducing washing temperatures lowered clothing’s carbon footprint between 2012 and 2016. Detergent, heat and repeated cycles all cost energy. A sweater worn over a tee, a shirt aired out overnight, a pair of trousers that does not need a spin after every outing, those habits matter more than the token eco-settings buried in the washer.

Skip the tumble dryer and iron less

WRAP found that cutting tumble drying and ironing also reduced clothing’s carbon footprint in the same 2012 to 2016 period. Denim that air-dries with a bit of stiffness, a cotton shirt left to hang, a knit laid flat instead of blasted hot, all of that keeps energy use down and fibers under less stress.

Repair, alter and keep the good pieces in play

WRAP’s 2024 longevity work with the Leeds Institute of Textiles and Colour treats durability as a design problem, but repair and alteration are the consumer side of that same equation: replace a button, mend a seam, shorten a hem, revive the fit. A coat that gets re-lined, boots that get re-soled, denim that gets patched.

Think about end-of-life before the first wear

On March 11, 2025, the UN chief warned fast fashion is fuelling a global waste crisis, and the microplastics picture is just as blunt: an IUCN press release in 2017 said tiny plastic particles washed off synthetic clothes and car tyres could contribute up to 30% of the plastic soup polluting the oceans, while related summaries put synthetic textiles at about 35% of primary microplastics entering the sea.