While wool is known to hold carbon, the amount held in wool fibre is a relatively small amount. This is why carbon stored in wool is not included in our national emissions reporting.
Wool is only considered a temporary store for carbon since it is often used in products with a short life relative to the long-term consequences of carbon emissions. While some wool products, such as carpet, have a life that can be decades long, it is difficult to track both its storage and breakdown.
These challenges mean that the programme has decided to not recognise the carbon stored in wool at this time. If future information or the context changes, this could be picked up again.