Hills and mountains.
Mexico City
Mexico city
Nothing really. Mexico city is polluted because they drained the river out. Mexicio City lies into two valleys making the pollution stay in the valley leading up to alot of acid rain. So, I dont think we can really do anything about the pollution in Mexico City.
GloomyPersistentHarmful
yes
sex
the largest city is Mexico City, it also has the dubious reputation for having the worst pollution in the world.
the smoggiest city in the world is Mexico City, Mexico, because of the smoke pollution produce by the motorists and the factories in the city.
Funny guy. Mexico City is surrounded by hills and mountains on both sides.
Geography.
nuclear
The cities that have the worst air pollution is Pittsburgh and Los Angeles