Columbia subject headings:
Environmental protection--New Zealand.
Environmentalism--New Zealand.
Petroleum industry and trade--Environmental aspects--New Zealand.
Petroleum industry and trade--Government policy--New Zealand.
Petroleum industry and trade--New Zealand.
Harvard subject headings:
Environmental protection--New Zealand
Environmentalism--New Zealand.
Petroleum industry and trade--Environmental aspects--New Zealand.
Petroleum industry and trade--Government policy--New Zealand.
Petroleum industry and trade--New Zealand.
Princeton subject headings:
Environmental protection--New Zealand.
Environmentalism--New Zealand.
Petroleum industry and trade--Environmental aspects--New Zealand.
Petroleum industry and trade--Government policy--New Zealand.
Petroleum industry and trade--New Zealand.