Critical analysis of the mathematical relationships and comprehensiveness of life cycle impact assessment approaches.

摘要: The impact assessment phase of Life Cycle Assessment (LCA) has received much criticism due to lack consistency. While the ISO standards for LCA did make great strides in advancing consensus this area, is not prescriptive, but left room innovation and therefore inconsistency. To address consistency, there currently an effort underway provide a conceptual framework Impact (LCIA) recommended practice include list categories, category indicators, underlying methodologies. This enormous undertaking, especially light current fundamental basic elements be included LCIA (e.g., impacts, areas protection). 14042 requires selection categories that “reflect comprehensive set environmental issues” related system being studied, “comparative assertions” involve public marketing claims. comprehensive,...