Columbia subject headings:
Environmental policy--Canada.
Natural resources--Canada--Management.
Natural resources--Government policy--Canada.
Sustainable development--Canada.
Harvard subject headings:
Environmental policy--Canada
Natural resources--Canada--Management.
Natural resources--Government policy--Canada.
Sustainable development--Canada
Princeton subject headings:
Canada. Natural Resources Canada--Management.
Environmental policy--Canada.
Natural resources--Government policy--Canada.
Sustainable development--Canada.