This report provides a comprehensive analysis of business ethics, corporate responsibility, and sustainability, focusing on the challenges and best practices within the context of the BG Group plc, a British multinational oil and gas company. The report begins with an introduction to the core concepts of business ethics, responsibility, and sustainability, emphasizing their importance for organizational growth and stakeholder management. The main body of the report addresses specific challenges faced by the company related to corporate social responsibility and sustainability, including demands for transparency, investor pressures, corporate culture conflicts, carbon footprint reduction, changing environmental policies, pollution control, technology management, and limited willingness to pay for CSR. The report then explores various best practices, such as the Ackerman model, that the company can employ to enhance its ethical performance. The report concludes with recommendations aimed at improving the company's approach to business ethics, responsibility, and sustainability, ensuring long-term success and a positive corporate image.