Columbia subject headings:
Harvard subject headings:
Climate change mitigation--Political aspects--United States.
Climatic changes--Political aspects--United States.
Energy policy--United States
Energy tax--United States.
Global warming--Political aspects--United States.
Princeton subject headings:
Climate change mitigation--Political aspects--United States.
Climatic changes--Political aspects--United States.
Energy policy--United States.
Energy tax--United States.
Global warming--Political aspects--United States.