This lecture covers the limitations of Environmental Impact Studies (EIE), the presentation of Environmental Effects Studies (EES), and regional planning. It discusses topics such as the verification of project compliance with regulations, the content of EIE chapters, the importance of allocation plans, and the assessment of natural hazards. The lecture also delves into the production of hazard maps, risk assessments, and the establishment of hazard mapping. Additionally, it explores the impact of various hazards like water, landslides, falling rocks, and floods on construction projects, emphasizing the need for risk assessment and mitigation measures. The importance of EIE as a communication tool to ensure environmental compliance, define protective measures, and restore the initial state post-project is highlighted.