The role of environmental ethics in sustainability is to guide moral principles and values in natural resource management and conservation efforts. By examining the ethical dimensions of human interactions with the environment, environmental ethics promotes responsible behavior that respects the intrinsic value of all living beings. This framework encourages consideration of future generations' needs and the interconnectedness of ecosystems. Environmental ethics informs policies and practices that strive for a balance between development and conservation, fostering sustainability. Ultimately, adopting these ethical perspectives is crucial for addressing environmental challenges and protecting biodiversity.