More cards in this set

What are the problems with the air pollution?

What is the air quality like?

How many factories are in the city?

How many cars are in the city?

What is the only input of water at Mexico City?

What percentage of water supplies are leaked through cracked pipes?

What percentage of industry is located in Mexico City?

How many tonnes of rubbish is produced a day?

What is the problem with farmers using water from rivers to irrigate their crops?