Columbia subject headings:
Climatic changes--Congresses.
Economic development--Environmental aspects--Congresses.
Harvard subject headings:
Climatic changes
Environmental policy--Congresses
Global temperature changes.
Global warming--Congresses
Global warming.
Human ecology--Congresses
Pollution--Congresses
Princeton subject headings:
Climatic changes--Congresses.
Economic development--Environmental aspects--Congresses.