Mexico City is one of the largest industrial regions in Mexico, with more than 50,000 industries operating in or around the metropolitan area.
Mexico City does, due to its large population (21.16 million) and its countless industries and vehicles.
You mean American industries? Thousands, literally. From Hershey's to General Motors; from IBM to General Electric, there are many companies that have plants or offices in Mexico.
The cities that have the worst air pollution is Pittsburgh and Los Angeles
Mexico
Their are 1,972,550 in Mexico
about 2,000,000miles
how far is from California to Mexico City
256 miles
Most of it is manufacturing-related. These include food and beverages, garments and clothes, metalworking, glass and steel. Most heavy polluting industries have moved out of the city - such as chemicals and oil-refining.
There are 20 major areas in Mexico City. Hope this helps
Yes. You should look for a dermatologist (there are many in Mexico City).
~1253 miles