The Department of Management and Marketing of FBA held its annual Sustainability Day on 19 April, 2023. After the welcome remark, the event began with a speech from Ms. Ruby O, Director of Environmental, Social and Governance at Wynn Macau and the Founder and Chairperson of the Society of Food & Environmental Health (Macao), on the importance of economic diversification and sustainability as a pathway for that, followed by a student competition. Six student teams presented their research findings on a company’s sustainable practices related to the environment and society. They selected some exemplary cases including industrial giants and small and medium-sized enterprises and demonstrated various practices of those companies in preserving the environment, enhancing welfare for their employees and contributing to society. Those students are taking the course MGMT3009 Business Ethics and Corporate Social Responsibility and formed teams to join this competition and present their understandings and knowledge gained in class. The judging panel included Ms. Ruby O and the instructors of the course, Dr. Kim KOUK (郭愛媚博士), Prof. Tianyou HU (胡天佑教授) and Dr. Steve FU (楊福博士).