People in major cities suffer from high levels of air pollution, causing health problems for many. What are the main reasons for this? What can be done to solve this problem?

Many megalopolises and big

cities

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are known for their high levels of

air

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pollution

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, which cause serious illnesses and even premature death for

city

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residents.

This

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essay will discuss the principal reasons for bad

air

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quality in

cities

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and how

this

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problem can be tackled. Urban

pollution

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today is generated by several sources, with the single largest cause being vehicles. Today millions of

cars

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crowd the narrow

city

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streets.

As a result

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, the poisonous particles emitted by the

cars

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’ diesel and petrol engines become trapped between tall buildings, causing

the

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apply

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pollution

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levels to accumulate. Some of the

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pollution

Change to a plural noun

pollutions

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is

also

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produced by domestic sources –

such

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as heating systems – and manufacturing, though their contribution is usually significantly smaller. From my perspective, the most obvious approach to

clean

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cleaning

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up

city

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air

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is to fight the biggest polluter — private

cars

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. In order to reduce their numbers, two main policies may be required. The first one is improving public transport. If buses and trains were comfortable, affordable, and fast, more people would use them

instead

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of driving. The second policy is the introduction of a tax on older

cars

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. To avoid paying it,

car

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owners will be incentivised to either upgrade to an eco-friendly electric vehicle or

to

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apply

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simply get rid of their

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car

Fix the agreement mistake

cars

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completely. Implementation of these two policies together can help

cities

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reduce

car

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ownership and

thus

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pollution

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. In conclusion,

although

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there are multiple sources of

air

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pollution

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in large

cities

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, a significant improvement in

air

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quality can be achieved by tackling the largest of them: petrol and diesel

cars

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. In order to decrease their numbers, the government should increase the cost of owning a

car

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and develop reliable public transport systems, so that

city

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residents could use these

instead

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.