The article discusses Menga’s important book and it is divided in three parts: the first one stresses the precise presentation and evaluation of the state of the art about the problem “justice and next generations”; the second one aims at enhancing the passage proposed by Menga from a classical approach to a phenomenological approach to this theme. Third, it analyzes consequences and problems involved in the idea of a deformalization of the temporality which is requested by the emergence of an injunction of justice from the future.
