The world health organisation has made an appeal in the report “microplastics in drinking water”, where he asks to evaluate the presence of microplastics in the drinking water and their impact in our organism. According to oms,the available data are “extremely limited”, “ with a few analysis completely reliable”, often realised using “different methods and instruments for the sampling and analysis of plastic particles”. Oms expertises asks to develop “standard methods to measure the presence of and studythe source, as well as to studythe consequences on the organism. “based on the limited information we have in our hands – says maria neira , director of the department of pubblic health at oms – microplastics in drinking water do not seems to represent a risk for health at the current level. However we urgently need to learn much more”.