Aldo Leopold was the first to envision a new ethical basis for human conduct, first to develop an ecological ethic (land ethic), and first to explain clearly why it is needed. Today, global bioethics is evolving as an interdisciplinary area of study, combining both ecological and medical bioethics t
Van Rensselaer Potter created and defined the term "bioethics" in 1970, to describe a new philosophy that sought to integrate biology, ecology, medicine, and human values. Bioethics is often linked to environmental ethics and stands in sharp contrast to biomedical ethics. Because of this confusion (and appropriation of the term in medicine), Potter chose to use the term "Global Bioethics" in 1988. Potter's definition of bioethics from Global Bioethics is, "Biology combined with diverse humanistic knowledge forging a science that sets a system of medical and environmental priorities for acceptable survival."