Mexico City Environmental Inequalities

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What is the main factor for Mexico city being the most polluted city in the world?
There are 3.5 million vehicles (30% more than 20 years ago)
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Why is population a contributing factor for the pollution of the city?
Sheer size; 20 million live in the city
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What physical factor contributes to the pollution of the city?
Located in a crater of extinc volcanoes causing low oxygen levels leading to incomplete combustion in engines
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What pollutants are released from incomplete complete combustion?
Carbon monoxide, hydrocarbons and volatile organic compounds
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What effect does intense sunlight have on the pollutants?
Increases smog levels
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How many tonnes of pollution are emitted each year?
4 million
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What are the four main sources of pollution in Mexico City?
Internal combustion engines, natural sources, services and industry
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What percentage of pollution is from internal combustion engines?
75%
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What pollutant gas is associated with industrial activity in the city?
Sulphur dioxide
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What pollutant gases is associated with motor vehicles emissions?
Carbon Monoxide, nitrogen dioxide and hydrocarbons
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What causes the smog over Mexico City?
Cold sinking air trap pollutants
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How is the pollutant, ozone, produced?
When nitrogen oxides and volatile organic compounds react in sunlight
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Where do particulates come from in Mexico City?
Construction of roads and buildings, burning refuse and vehicles
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What effects do pollutants have on humans?
Irritates eyes, cause or aggravate respiratory problems, cardiovascular ailments and premature death
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How many inhabitants have no running water?
2 million
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How many inhabitants have no sewage systems and what does this cause?
3 million. People are forced to leave waste in vacant areas and becomes a part of the city's water
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How many tonnes of garbage are produced a day and how much of this is processed?
14,000 tonnes are created but only 8000 tonnes are processed
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Other cards in this set

Card 2

Front

Why is population a contributing factor for the pollution of the city?

Back

Sheer size; 20 million live in the city

Card 3

Front

What physical factor contributes to the pollution of the city?

Back

Preview of the front of card 3

Card 4

Front

What pollutants are released from incomplete complete combustion?

Back

Preview of the front of card 4

Card 5

Front

What effect does intense sunlight have on the pollutants?

Back

Preview of the front of card 5
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