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Learnings from MarILCA and case study applications integrating microplastics impacts into LCA
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Life cycle impact assessment of microplastics as one component of marine plastic debris
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Researchers developed a framework for including microplastic pollution in life cycle assessments (LCA) of products, enabling manufacturers and policymakers to formally account for the environmental toxicity of plastic particles when evaluating the full environmental cost of materials.
Integrating impacts of microplastics in Life Cycle Assessment modelling: the work of the MarILCA group
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This paper describes the work of the MarILCA group to incorporate microplastic impacts into Life Cycle Assessment (LCA) modeling, which evaluates the environmental footprint of products and processes. Currently, most LCA studies ignore plastic leakage to the environment, creating a blind spot for the real-world impacts of plastic production. Integrating microplastic impacts into LCA could help guide more sustainable material choices and policy decisions.
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The MariLCA working group developed a life cycle impact assessment (LCIA) framework using fate and characterization factors to quantify the physical effects of marine microplastic emissions on biota across beach, water column, and sediment compartments. This harmonized methodology allows plastic pollution to be formally integrated into product environmental footprinting, enabling manufacturers and policymakers to compare microplastic impacts alongside carbon and toxicity metrics.
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