Columbia subject headings:
Harvard subject headings:
Community development, Urban--Congresses.
Demographic transition--Social aspects--Congresses.
Demography--Environmental aspects--Congresses.
Population forecasting--Congresses.
Population policy--Moral and ethical aspects--Congresses.
Population--Environmental aspects--Congresses
Princeton subject headings:
Climatic changes--Congresses.
Population--Environmental aspects--Congresses.