Introduction: Plastics are a wide variety of combinations of properties when viewed as a whole. They are used for variety of items and the list could go on and on and it is obvious that much of what we have today would not be possible without plastics. Material and Methods: An experimental study was conducted on knowledge of community regarding harmful effects of plastics among urban residents of Pune city. The preexperimental design was adopted and 40 samples were selected through simple random sampling technique. The data was obtained from the participants using an interview method which included details on sociodemographics of the participants, knowledge of plastics. The same Questionnaire were administered after providing informational booklet as well. Result: The findings revealed that pre-test score of the knowledge of participants was 53.92 % whereas 87.83 % of post test score, to test the effectiveness paired 't' was applied at the significance level 0.05 and result shows the booklet on harmful effects of plastics was effective.