Environmental Impact Assessment: Damage Units and Categories

This lecture covers the assessment of environmental impacts through damage units and categories, focusing on human toxicity, respiratory effects, ozone layer depletion, ionizing radiations, and ecosystem quality. It explains the calculation of damage scores for different impact factors and the aggregation of midpoint scores to obtain damage scores. The instructor discusses the normalization and weighting of impacts, as well as the interpretation of results and the importance of assigning values to damages. Additionally, the lecture addresses the use of impact assessment models like USETox and the evaluation of uncertainties in life cycle assessments.