Columbia subject headings:
Climatic changes--Government policy--United States.
Environmental law, International.
Global warming--Government policy--United States.
United Nations Framework Convention on Climate Change Protocols, etc.
Harvard subject headings:
Climatic changes--Government policy--United States
Environmental law, International.
Global warming--Government policy--United States
United Nations Framework Convention on Climate Change Protocols, etc.
Princeton subject headings:
Climatic changes--Government policy--United States.
Environmental law, International.
Global warming--Government policy--United States.
United Nations Framework Convention on Climate Change Protocols, etc.