Normalization and weighting: Normalisation is commonly used to generate a single numerical score by weighting each impact category and totaling them. Environmental impact scores in LCA are displayed in physical units representing the potential for environmental impact. The results of different impact categories cannot be compared or combined. One method of Normalization is dividing your scores by the scores of a reference situation (e.g., total CO2 emissions from transportation in a particular country or industry). Normalization means relating the data…