‘half-life value’ means the number of years it takes for the quantity of carbon stored in a category of harvested wood products to decrease to one half of its initial value;
ciallaíonn “luach leathré” líon na mblianta a thógtar chun méid an charbóin atá stóráilte i gcatagóir táirgí adhmaid lománaithe a laghdú go dtí leath dá luach tosaigh;