Final answer:
Binary opposition involves sorting objects and subjects into opposite categories. It is used in various cultural realms, such as kinship systems and myths, to categorize and organize. It has implications for sustainability as it shapes societies' perceptions and interactions with the environment.
Step-by-step explanation:
Binary opposition is a concept that involves sorting objects and subjects into opposite or diametrical categories. In various realms of culture, including kinship systems and myths, binary oppositions are used to classify and organize objects and people. For example, in kinship systems, oppositions like male versus female, older versus younger, and relation by blood versus relation by marriage are fundamental. The practice of binary opposition has implications in terms of sustainability as it shapes and reflects the way societies perceive and interact with the environment.