
Concordia-led research finds polyester T-shirts emit more greenhouse gases than cotton, while cotton has higher land and water demands.
Air freight is a major emissions driver; switching to sea freight can cut a shirt’s carbon footprint by roughly 30 to 60 per cent.
Longer garment lifespans, fewer new items and durability-focused design offer supply-chain levers for fast-fashion supply chains.Concordia-led research finds polyester T-shirts emit more greenhouse gases than cotton, while cotton has higher land and water demands.
Air freight is a major emissions driver; switching to sea freight can cut a shirt’s carbon footprint by roughly 30 to 60 per cent.
Longer garment lifespans, fewer new items and durability-focused design offer supply-chain levers for fast-fashion supply chains.





