Columbia subject headings:
Biodiversity.
Bioethics.
Climatic changes--Moral and ethical aspects.
Conservation biology--Moral and ethical aspects.
Environmental ethics.
Genetic engineering--Moral and ethical aspects.
Human-animal relationships--Moral and ethical aspects.
Mass extinctions--Moral and ethical aspects.
Nature--Effect of human beings on--Moral and ethical aspects.
Species.
Harvard subject headings:
Biodiversity
Bioethics
Climatic changes--Moral and ethical aspects.
Conservation biology--Moral and ethical aspects.
Environmental ethics.
Genetic engineering--Moral and ethical aspects.
Human-animal relationships--Moral and ethical aspects.
Mass extinctions--Moral and ethical aspects.
Nature--Effect of human beings on--Moral and ethical aspects.
Species.
Princeton subject headings:
Biodiversity.
Bioethics.
Conservation biology--Moral and ethical aspects.
Environmental ethics.
Genetic engineering--Moral and ethical aspects.
Species.