This report delves into the multifaceted realm of Corporate Social Responsibility (CSR) and Sustainability Management, exploring the interconnectedness of business ethics, stakeholder engagement, and environmental stewardship. It examines the triad theories linking environment, people, and the company, emphasizing the importance of considering all stakeholders for long-term success. The report discusses various concepts and theories related to CSR, including the convergence or divergence of CSR and sustainability, and the evolution of CSR from a philanthropic approach to an integral part of business strategy. It analyzes the drivers behind the increasing focus on CSR, such as consumer awareness and investor pressure, and highlights the benefits of adopting sustainable and ethical practices, including improved financial performance, brand value, and customer loyalty. The report also outlines different elements of responsibility, the triple bottom line, and the relationship between ethics and sustainability, providing examples of companies successfully integrating CSR into their core operations. It further explores the role of ethical theories in guiding business decisions and the impact of ethical behavior on corporate performance. This comprehensive analysis underscores the critical role of CSR and sustainability in navigating today's dynamic business environment.