4th International Seminar in social LCA, Montpellier, FRA, 19-/11/2014 - 21/11/2014International audienceThe social life cycle assessment is a method under construction. It is used to determine the social impacts caused by one change in one life cycle. A crucial question is which categories of impact should be assessed. We must generate a theoretical framework to determine “what is worth in the social world” before answering this question