mr. david be har with the puc. he was out sick today. we have the guidance. so the city has taken a look at guidance and the science kind of varies. they have looked at the least scenario and the possible scenario and we have the 2050 as the mid-horizon and 2100 horizon. they have suggested the half of the scales, but at least we now have general science agreement on what the potential sea level rises are for the bay area looking into future. if you look at our overall process we have taken a look at the science we then assess the vulnerability of the infrastructure that we have. once we understand where it is vulnerable with the sea level rise and we assess that refk to the facility whether it's a port harbor or our overall collection system or talking about private property that is a major impact like at & t ballpark and we plan for adaptation. how do we adapt to the potential sea level rise. there is a study going on now where we take a look at mission creek and how we are involved in that study because the rise at mission creek is hang the economic impact

mr. david be har has been doing an outstanding job on that working with all the city agencies. >> thank you. >> thank you, i do have some public speakers. >> thank you, and i think this is a critical issue to talk about with sea level rise and i don't think people understand this. we are down to 69 hundred. it's such a broad topic that people don't understand the impact. what i would like to talk about it that we are happy that emilio is looking at proactive measures. one of the reasons we have sea level rise is the amount of night at -- nitrate that we are putting in the ocean. francisco and i met with the team to talk about denight if fiction and met with other agencies. this is not just san francisco's problem, because everybody is relying on what we are doing here in san francisco and i want to restore our wet land and look at how we can balance some of those things because if we are talking about flooding third street and those communities, we have to look at the best situation. the team is looking at those, but if we can broaden the perspective of storing our natural protection and lo