it's the unconcreting over. city, basically, is one way i think about it. what that does for you is hopefully reduce the amount of water you actually have to handle by pumping and treatment and so on. it just has to be a fundamental component of everything you do. >> i'd just like to maybe add from the chair's perspective here that what we're seeing in los angeles i think is that adding climate to the mix so that it's not just another box that you check off, but something that actually causes you to think differently about whatever the project or the problem is that's in front of you sometimes causes you to break out of the paradigms that you have been in and to actually start addressing problems in a more holistic way. and if that's the case then there is at least a small silver lining to this very dark cloud, that it will force us to do things that wise people have been suggesting we should do for a long time in terms of better planning. . >> (inaudible) integrated response scenario and in all cases the local response scenario had lower impacts. what is t