After explaining the history of the birth of the Laudato Si' Movement, referring in particular to the publication of Pope Francis' encyclical Laudato Si' and the Paris climate agreement, this essay will focus on the mission and identity of the movement itself. Among the main objectives of the movement is ecological conversion, through the promotion of the principles contained in the encyclical Laudato Si' which has a global dimension. The Movement is made up, for the majority, of both lay people and ordained people who, through the instrument of dialogue, are at the service of others and institutions in pursuit of the objective of protecting creation, as a common home.