Plastic pollution is one of the most pressing environmental challenges of our time, affecting ecosystems and communities worldwide. Not even the remote and relatively untouched Antarctic region is immune to this threat, with growing evidence of widespread microplastic contamination and accumulation in Antarctic environments—from coastal seawater and snow to the digestive systems of marine organisms and seabirds. Addressing this issue is not only vital for the health of Antarctic ecosystems but also for the global fight against marine plastic pollution. The Antarctic Treaty Consultative Meeting (ATCM) has a critical role to play in spearheading international efforts to prevent and mitigate plastic waste in this fragile region. While research and monitoring efforts are growing, however, policy actions remain fragmented and underdeveloped. This article provides an analysis of the latest developments at the ATCM level, highlighting key challenges, opportunities and recommendations in light of global negotiations for a Global Plastics Treaty. By linking Antarctic initiatives to broader global frameworks, the ATCM can contribute meaningfully to a more comprehensive and effective global response to plastic pollution.
