Columbia subject headings:
Climatic changes--Economic aspects.
Climatic changes--Government policy--United States.
Environmental policy--United States.
Global warming--Government policy--United States.
Greenhouse gas mitigation--Government policy--United States.
Harvard subject headings:
Climatic changes--Economic aspects
Climatic changes--Government policy--United States
Environmental policy--United States
Global warming--Government policy--United States
Greenhouse gas mitigation--Government policy--United States.
Princeton subject headings:
Climatic changes--Economic aspects.
Climatic changes--Government policy--United States.
Environmental policy--United States.
Global warming--Government policy--United States.
Greenhouse gas mitigation--Government policy--United States.