Managing Microplastics in Saint John, New Brunswick: A Grassroots Action Utilizing the One Health Framework

Plastic pollution in marine environments has become a global crisis, with microplastics posing significant threats to the health of all one health model stakeholders: humans, non-human animals, and ecosystems. The persistent and pervasive nature of plastics makes ocean plastic pollution a complex and interconnected “wicked problem.” This paper explores the LINT LUV-R initiative by the Atlantic Coastal Action Program in Saint John, a grassroots, community-based approach to preventing microplastic and microfiber accumulation in Saint John Harbour by installing microfiber filters in washing machines. Unique in its preventive methodology, this initiative captures microfibers before they enter aquatic ecosystems, addressing a critical source of microplastic contamination in this region. Grounded in the principles of One Health, this initiative recognizes the interdependence of human, non-human animal, and environmental health. This inclusive approach fosters collaboration among diverse stakeholders, including Indigenous communities, fishers, environmental nonprofits, government agencies, and the community, to promote sustainable solutions for Saint John Harbour. The initiative demonstrates measurable success, capturing millions of microfibers annually while empowering participants through education and citizen science. By combining preventive action, cultural sensitivity, and stakeholder engagement, the LINT LUV-R initiative offers a replicable model for combating microplastic pollution in other coastal regions. This paper highlights the necessity of community-led, multidisciplinary approaches to solve wicked environmental problems and advance the health of interconnected systems, prioritizing the health of non-human animals, humans, and ecosystems equally.