The content of the PESEM of the Environmental Sector amalgamates an ideal of the future with the necessary prescription to achieve it in such a way that &quot;(...) The prospectivist and the strategist participate in the same challenge: anticipate in order to act (...)&quot;; In this perspective, the PESEM structurally contains in its first chapter the methodological framework that justifies the construction process and refers to the appropriation process; The second chapter contains the synthesis of the prospective analysis where the conceptual model of the Environmental Sector is proposed, the main trends that impact the Sector are identified, the strategic variables that condition the future of the Sector are determined and possible future scenarios are explored, constituting all the elements as a whole the anticipation; The third chapter constitutes the strategic phase where the bet scenario and the vision of the Sector are detailed, where the impact on the Peruvian inhabitant stands out, it contains the proposal of five sectoral strategic objectives that order and rank the changes in the main components of the Conceptual Model of the Sector, the sectoral strategic actions necessary to achieve the Objectives are proposed and the scenario bets and the strategic route is proposed with a strong territorial component within the framework of the characteristics and priorities of the departments of Peru, which as a whole imply the action that we must undertake to achieve our planned future Multiannual Sectoral Strategic Plan for the Environmental Sector 2017-2021