The document discusses environmental ethics and its core principles. It defines environmental ethics as the study of human moral obligations toward the environment. The core principles discussed are intrinsic value, interconnectedness, stewardship, and sustainability. The document also outlines several theories of environmental ethics, including anthropocentrism, biocentrism, ecocentrism, deep ecology, and ecofeminism. It concludes by emphasizing the importance of critically engaging with these theories to guide ethical human-environment interactions and promote well-being for all species.