the climate crisis, extreme weather, and rising rates of disease from pollution are problems that potentially affect all americans. but often it's low-income communities and people of color who bear the brunt of those growing threats. in some areas of louisiana are a prime example. here's cnn's rené marsh. >> 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 got people that lost everything, don't know where they're going to get their next meal from. >> what is that like, having to know that every hurricane season, you don't know if you're