This lecture covers the concept of Environmental Management Systems (EMS) in Small and Medium-sized Enterprises (SMEs), focusing on understanding EMS, Swiss environmental policy, planning environmental approaches, and using associated tools. It emphasizes the importance of following course rhythm, completing group work, and integrating EMS in business management. The lecture also discusses the role of SMEs in improving overall business performance through environmental management, resource management, cost optimization, and sustainability. It highlights the need to ensure profitability, reduce environmental risks, guarantee sustainability, and support sustainable development.