—which is the efficiency by which you use resources. I would say the analytical frame around that is a useful one, and it informs indirectly any number of environmental economic policy analysis elements that we do.
We're increasingly beginning to look across the life cycle in terms of the environmental footprint of products. And life cycle is not a new concept, but I think there's now greater and greater information available in order to do life cycle analysis to evaluate the overall, I would say, resource efficiency of the environmental footprint of consumption and production. That flows into the thinking behind the chemical management program and a number of other policy areas in Environment Canada--