Explanation: According to the ASCM CTSC Exam Content Manual, ecological, ethical, and economic are the three major categories of practices that an organization should evaluate as it transforms its processes to be more sustainable.These categories are also known as the triple bottom line of sustainability, which measures the social, environmental, and financial impacts of an organization’s activities1.Ecological practices refer to the environmental aspects of sustainability, such as reducing greenhouse gas emissions, waste, and resource consumption, and enhancing biodiversity and ecosystem services12.Ethical practices refer to the social aspects of sustainability, such as respecting human rights, labor standards, and diversity, and promoting health, safety, and well-being of employees and communities13.Economic practices refer to the financial aspects of sustainability, such as creating value for stakeholders, ensuring fair and transparent transactions, and investing in innovation and development14.
1: ASCM CTSC Exam Content Manual, page 9.2:Environmental Sustainability: Definition and Importance - Investopedia3:Social Sustainability: Definition, Importance, and Examples - Investopedia4:Economic Sustainability: Definition, Importance, and Examples - Investopedia