Columbia subject headings:
Climatic changes--Government policy--Economic aspects--United States.
Environmental law, International--Economic aspects--United States.
Global warming--Government policy--Economic aspects--United States.
United Nations Framework Convention on Climate Change Protocols, etc.
Harvard subject headings:
Climatic changes--Government policy--Economic aspects--United States.
Environmental law, International--Economic aspects--United States.
Global warming--Government policy--Economic aspects--United States.
United Nations Framework Convention on Climate Change Protocols, etc.,
Princeton subject headings:
Air--Pollution--Law and legislation--United States.
Air--Pollution--Standards--United States.
Climatic changes.