There's a great number of humans that live in coastal areas affected by shipping pollution. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1440801/ https://www.n

There's a great number of humans that live in coastal areas affected by shipping pollution. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1440801/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1440801/ From that publication, "About 98% of the particles emitted from diesel engines are less than 10 microns in diameter (PM10)" -> that gets into your lungs and potentially into your bloodstream.