. >> raymond clark's ancestors came here to escape settlers 300

. >> raymond clark's

. >> raymond clark's ancestors came here to escape settlers 300 years ago, building homes in the marshland. >> our people always had our villages along bayou waterways because it just provided so much for us. >> but today an ecological disaster is unfolding, threatening the tribe's traditions -- and most of all, its land. >> an area of land the size of manhattan is subtracted' from south louisiana every 10 months - it turns to water. a football field every 30 minutes, an area the size of delaware the whole state of delaware since the 1930s... it's just astonishing how much land is being disappeared. >> fault lines is here to find out why southern louisiana is now one of the fastest disappearing landmasses on the planet... ...and to ask who's responsible for the crisis. >> yeah this place used to be really pretty at one time. and not that long ago really. i think in another 10 years, this will all be water. definitely the trees ain't coming back. >> over the past hundred years nearly two thousand square miles of land have been wiped from the map of louisiana. we've come to the isle de jean

. >> raymond clark's ancestors came here to escape settlers 300