extreme weather and disease can affect americans. often it is low-income communities and people of color who bear the brunt of those growing threats. cnn's rainy marsh explains. >> reporter: it's been nearly three months since hurricane ida, a category 4 storm, slammed louisiana. yet this small black community of ironton looks like the storm hit yesterday. >> they've got people that lost everything, don't know where they're going to get their next meal from. >> reporter: what is that like, having to know that every hurricane season you don't know if you're going to lose everything? >> i've never been to war, but i can imagine what a young man that's been in the war and dealing with posttraumatic stress, because this is a form of posttraumatic 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 flood