Columbia subject headings:
Environmental ethics.
Environmental protection--Central America.
Environmental protection--Moral and ethical aspects.
Religion and science--History--20th century.
Harvard subject headings:
Environmental ethics.
Environmental protection--Central America.
Environmental protection--Moral and ethical aspects
Religion and science--1946-
Princeton subject headings:
Environmental ethics.
Environmental protection--Central America.
Environmental protection--Moral and ethical aspects.
Religion and science.