RELEVANCE AND UNCERTAINTY OF EPD DATA

TL;DRAbstract

The goal of EPDs is to provide transparent information on relevant ecological impacts over the life cycle of a product or a service. Both criteria, transparency and relevance, are crucial for the use of EPDs and are the backbone for an ecological decision making. Existing EPDs and related PCRs were compared to evaluate if they fulfill the goal to give a sound basis for decision. The following provoking statement arose: “EPDs are often not useful for the decision making.” The following reasons for this statement indicate an optimization demand. The relevance of impacts is often not analyzed and documented. Information of low relevance causes a loss of focus. The uncertainty of results is neglected and frequently higher than the ascertained difference between products.

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