The Life Cycle Assessment (LCA) is a method to measure the environmental impact of a product’s life stages from the cradle to the grave, and is widely used for packaging sustainability. Although many successful applications using LCA have been reported, the current state of LCA tools still has many limitations. For example, it is difficult to select the best design among the LCA results of design sets. Moreover, the LCA tool cannot implement a decision maker’s preference into the process easily.

To overcome these limitations, we developed a decision making tool using LCA for packaging sustainability. First, Pareto Active Set Selection (PASS) method is proposed to find Pareto Front of packaging options. Additionally, Design Preference Function (DPF) is introduced to implement the designer’s preference for selecting the best packaging options. Case studies are presented to demonstrate this decision making tool.

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