Detailed study of life cycle analysis (LCA). ISO 14040 and 14044 standards. Definition of objectives and field of study. Inventory analysis: mathematical aspects, bottom-up and top-down approaches, attributional and consequential approaches, multifunctionality. Life cycle impact assessment: causality chains, characterization models and factors, life cycle impact assessment methods. Environmental impact and indicators. Classification, characterization, standardization and weighing. Interpretation of results: contribution, sensitivity, uncertainty, and scenario analyses. LCA databases and software. Critical analysis of a published LCA. Real-life LCA project in the student's field of expertise. Different types of LCA studies: internal, third-party, public comparative study. Prerequistes: Environmental sciences, life cycle analysis.