Columbia subject headings:
Climatic changes--Congresses.
Climatic changes--Economic aspects--Congresses.
Energy development--Congresses.
Environmental economics--Congresses.
Environmental protection--Congresses.
Global warming--Congresses.
Harvard subject headings:
Climatic changes--Congresses
Climatic changes--Congresses.
Energy development--Congresses
Environmental economics--Congresses
Environmental protection--Congresses
Global warming--Congresses
Princeton subject headings: