Columbia subject headings:
Environmental degradation--Mexico--Congresses.
Suburbs--Environmental aspects--Mexico--Congresses.
Suburbs--Mexico--Congresses.
Harvard subject headings:
Environmental degradation--Mexico--Congresses.
Suburbs--Environmental aspects--Mexico--Congresses.
Suburbs--Mexico--Congresses.
Princeton subject headings:
Urbanization--Environmental aspects--Mexico.
Urbanization--Mexico--Guadalajara.
Urbanization--Mexico--Mexico City.
Urbanization--Mexico--Monterrey.