look at all the cypress around you. >> reporter: while feeding in the good stuff with nutrients and sediments. >> this is the kind of thing we want to see happen. we want to see water flowing through these swamps. >> reporter: so if there's a silver lining when we see these people packing up and moving out of their houses, nature is benefitting in some way? >> nature is benefitting from this, the fish are benefitting from it, the trees are going to get good and there's probably going to be a little cap of silt put on top of the organic matter so we might see better dissolved oxygen for the next few years. >> reporter: happy swamp. >> a happy swamp. a happy, healthy swamp. >> reporter: rob marciano, cnn in louisiana's basin. >> it's been a tense 24 hours for america's relationship with israel. today the president is set to meet with prime minister benjamin netanyahu after making clear that he wants to see israel's border change. and before you pull out your cell phone again, you may want to hear this. >> the type of radiation coming