Natural Resources committee  Concrete doesn't really sequester carbon until it's set.

Natural Resources committee  On the carbonation side, it depends on the application. If it's on a roadway as opposed to a building, it'll sequester that carbon at different rates. It can be anywhere from 3% to 40%.

Natural Resources committee  There are various standards for doing LCA. We've looked, of course, at the linkage between what's happening in the forest and what's happening with the wood product throughout its life cycle. Certainly, there is a disconnect there in terms of the LCA standards internationally.

Natural Resources committee  We do it according to a standard.

Natural Resources committee  Not necessarily: it depends on what type of forest. There is certainly a high degree of uncertainty as to what's happening in the forests and how it's being—

Natural Resources committee  I don't think it's a 13:1 ratio, no.

Natural Resources committee  It's probably around 4:1.

Natural Resources committee  We work with the Cement Association of Canada quite regularly. They're a big member, and every year we are looking at their product and at how it can be improved. They are certainly moving that forward. They have innovative new products out right now in terms of cement. One's c