Columbia subject headings:
Economic development--Environmental aspects.
Environmental development--Environmental aspects.
Environmental policy--International cooperation.
Environmental policy--United States.
Environmental protection--United States.
United Nations Conference on Environment and Development (1992 : Rio de Janeiro, Brazil)
Harvard subject headings:
Economic development--Environmental aspects
Environmental policy--International cooperation
Environmental policy--United States
United Nations Conference on Environment and Development (1992 : Rio de Janeiro, Brazil)
Princeton subject headings:
Economic development--Environmental aspects.
Environmental policy--International cooperation.
Environmental policy--United States.
United Nations Conference on Environment and Development (1992 : Rio de Janeiro, Brazil)