going to lose everything again? >> i've never been to war, but i can imagine what a young man that's been in the war and dealing with post-traumatic stress because this is a form of post-traumatic stress. >> reporter: steps away from destroyed homes, caskets with the dead inside sit under the warm louisiana sun. the state-run cemetery task force has not returned them to their resting place after floodwaters forced them from their grave sites. >> it's heartbreaking to see that no one's really trying to put them back. >> reporter: ironton is in b plakaman's perish. must of the area is below sea level and it has the distinction of being one of the fastest vanishing places on the planet due to sea level rise. a study found minorities are more likely to live on land endangered by rising sea levels and more likely to die from extreme temperatures.