Vegan alternatives to wool
Swap matrix
Use these instead
organic cotton
hemp
bamboo viscose
Why the swap works
It insulates as well or better, and keeps working when wet.
The numbers
Swapping one kilo saves about 21 kg CO₂e. Do it once a week for a year and you avoid roughly 273 kg CO₂e — the same as driving a petrol car 1365 km.
Sources: Poore & Nemecek (Science, 2018), FAO, USDA FoodData Central, Mekonnen & Hoekstra (2011).
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