Columbia subject headings:
Harvard subject headings:
Climatic changes
Climatic changes--Economic aspects
Climatic changes--Government policy
Climatic changes--International cooperation
Climatic changes--Social aspects
Climatic changes.
Emissions trading.
Environmental policy
Greenhouse gas mitigation--Economic aspects.
Princeton subject headings:
Climatic changes--Economic aspects.
Climatic changes--Social aspects.
Climatic changes.
Emissions trading.
Environmental policy.
Greenhouse gas mitigation--Economic aspects.