Our environmental management system was designed based on the interactive PDCA method (from the acronym Plan, Do, Check, Act) and relies on several programs and tools: well-defined and unfolded objectives and targets, risk management and applicable requirements, dam management, internal and external audits, flash of indicators, and, recently, the environmental front of Nexa Way and the SICLOPE platform to manage actions. Nine Nexa units have an Active Environmental Management Plan.