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How much are we responsible for removing ocean plastic pollution ?
Summary
Researchers developed an integrated system dynamics and macroeconomic input-output model to simulate global marine plastic waste trends through 2050, tracking floating macroplastics and microplastics across shoreline, coastal, and offshore ocean domains. They used the model to assess the effort and economic costs required to achieve various plastic waste removal targets, analyzing how cost-sharing rules distribute impacts across producers and consumers.
We have developed an integrated SD/IO model, combining system dynamics (SD) with a macroeconomic input-output (IO) framework, to simulate global marine plastic waste trends through 2050. This model captures the movement of floating macroplastics and microplastics across three surface domains: shoreline deposition, coastal waters, and offshore waters within the global ocean. By utilizing this model, we can assess the effort required to achieve plastic waste removal targets and analyze the corresponding economic impacts on producers and consumers. These impacts vary depending on the cost-sharing rules adopted. Also see: https://micro2024.sciencesconf.org/564047/document