certain vegetion in ithat is e perfect vegetion wheyou want war to absb and be able to ssipate a more gradl rate. mean, itoesn't look ike a loof natur science,ut ther's aot of naural scice thagoes int it. ggoner:osts lestoave green frastrucre becau this is low-maintenance. this is a model of a part of the city as the main drainageasin. you ve an unrground stem, e white lis under e ear. the id was to t the ater io these pes, to t thatater tthespumps and ush it o. that w the thod. wiiams: trh of theatter is, the is no y to sol our waterssues wi just ou pum and turnes. 's no ough. will never be enoh. ggoner:ou know,ecades of dong thwrong thg usuall killou. wgot our ath rning in005. lliams: thereas a poitical ll to ma sure tt this cy sees aother 30 yers, it wld mean ving ery beatiful, very aesthetic blueways along with greenways throughout the city, us living with water, so that when that next storm comes, because it's going to come--that's a fact-- that water has a place to go other than your cars and your homes and the street. [film advance clicks] reed: at some point after hurricane katrina,