Unseen Threats at Sea: Awareness of Plastic Pellets Pollution Among Maritime Professionals and Students

Špiro Grgurević, Zaloa Sanchez Varela, Merica Slišković () and Helena Ukić Boljat
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Špiro Grgurević: Faculty of Maritime Studies, University of Split, Ruđera Boškovića 37, 21000 Split, Croatia
Zaloa Sanchez Varela: Faculty of Maritime Studies, University of Split, Ruđera Boškovića 37, 21000 Split, Croatia
Merica Slišković: Faculty of Maritime Studies, University of Split, Ruđera Boškovića 37, 21000 Split, Croatia
Helena Ukić Boljat: Faculty of Maritime Studies, University of Split, Ruđera Boškovića 37, 21000 Split, Croatia

Sustainability, 2025, vol. 17, issue 15, 1-21

Abstract: Marine pollution from plastic pellets, small granules used as a raw material for plastic production, is a growing environmental problem with grave consequences for marine ecosystems, biodiversity, and human health. This form of primary microplastic is increasingly becoming the focus of environmental policies, owing to its frequent release into the marine environment during handling, storage, and marine transportation, all of which play a crucial role in global trade. The aim of this paper is to contribute to the ongoing discussions by highlighting the environmental risks associated with plastic pellets, which are recognized as a significant source of microplastics in the marine environment. It will also explore how targeted education and awareness-raising within the maritime sector can serve as key tools to address this environmental challenge. The study is based on a survey conducted among seafarers and maritime students to raise their awareness and assess their knowledge of the issue. Given their operational role in ensuring safe and responsible shipping, seafarers and maritime students are in a key position to prevent the release of plastic pellets into the marine environment through increased awareness and initiative-taking practices. The results show that awareness is moderate, but there is a significant lack of knowledge, particularly in relation to the environmental impact and regulatory aspects of plastic pellet pollution. These results underline the need for improved education and training in this area, especially among future and active maritime professionals.

Keywords: marine pollution; plastic pellets; primary microplastics; seafarers’ awareness; environmental impact (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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