The other question is again on using carbon capture and storage. If we use in situ, right now it produces more greenhouse gas emissions than open pit. Is that correct? As we are expanding in situ, you still have the trees and the forest. It's putting pipes into the ground--anything below 75 metres, I think, was what you testified before. So as we are using more in situ, you don't have the disturbance of ecology above the ground, but you then put the pipes underground.
But you do at present create more greenhouse gas emissions, is that correct?