so we think what we think we can attribute to, anthro pe ingenic, forces. now i would assert that whether it's human or not. it does matter because if it is, then we can anticipate this is going to continue. in other words having a reason of the cause of climate is imperative for your business because it let's you plan, and if you believe us guys, the climate guys, then what we're going to see is going to amplify this diverge. in the west you heard an interesting session just an hour or so back on the mountain watershed issue and of course, one of the principal differences there is snow lines become compared to present day or the climate that are tradition based on snow climbs are going to be higher and they raise about half a kilo meter or so degrees celsius. 6 degrees,c, perky lom tear. i don't want to try to do this on the podium. that has the effect of reducing the natural reservoir snow we could usually use in spring and summer and liberates more water immediately which is the flood water that you heard the director of the california water resource s t