In environmental philosophy, environmental ethics is an established field of practical philosophy "which reconstructs the essential types of argumentation that can be made for protecting natural entities and the sustainable use of natural resources." Wikipedia

Part of environmental philosophy Wikidata

An ecological conscience or moral that reflects a commitment and responsibility toward the environment, including plants and animals as well as present and future generations of people. Oriented toward human societies living in harmony with the natural world on which they depend for survival and well being. OmegaWiki

The branch of ethics that examines questions of moral right and wrong relating to the management, protection, or endangerment of the natural environment. Wiktionary