in warehousing in the country. ol: we g almost % of the cargtraffic at comeso us from asia, ina, jap korea,nd then mes to s angeleand longeach. and th they arput on t backs truckor rai d shped out acro the regi. martin: we saw-commerce just booduring t pandemi saw freht voles come thugh the rt at hier vels thawe've ev seen. wee seen dsel truc and her truc on peop's roads and , the has continueo roll. thoshit hardt by the pandic are t folks w are t hardesby this llution. they'rliterallbuding thi stufin peopls backyas. av: the effects ofir poution aractuallyuch more dramic and wespread an most pple undetand. you ow, withegard to ether r pollutn is assoated witasthma, th canc, with oer sor of health madies, the infoation isretty clr thatir polluon is a own cainogen. man: my n leonar, before turned e, he end up tting si and it s a cold en one nht just codn't breathe. , then wok him tthe gent carin loma nda and th they end up givg him, lik steroidthrough, likea oral syrge to ki of help his lgs expanand to help h breathe he had tt done sce then, like, about or 4 tim and 's 3 now. whenhey tolde t