announcer: on this episode of "earth focus," lessons learned during rrrricankatrtrinare ining puto t theest alalg the coastf f louiana.a. somereredictew o orlns wilil be bmerged t the d o of is centu. . the gionon's s svival epends oits abily to ada climatehange. i succefuful, lisiaianaay provide aluluepri foror oers arou the wor. [film advance icking] tucke t thereere e falies hehere.herere we kidsdsn the stet playi footbal right? therwere neibors. th use was e candy dy. as kid we would come down a s spendur q quaers anan sit he e on ts poporcand eaea it a j just joy y thatmospspre of the mmmmunit rigightand that ntnt awajustst ornightht ijujust g w washeawayay. [hlilicopt whihirrg] ma: : we a seeeeinscenesesike this o t throuout t thcity.. lieberm: : do y remememr if you told thm m thatthee vees habroken? bro: : i d't call specificlyly, buit w washat new oeaeans ifloooodi. walters:o. sit. knknock ovever em plalas on theirpoporchastst ght, h hh? ss is se e upsewithth y. a couple of months ago, we d d a raistororm, jusa ordidiry rainstorm in sththeast louisiana. it s s one those days