Air pollution in cities is growing at an alarming rate. What measures could be taken to address this problem?

Air
pollution
can be defined as the addition of something harmful to the air at a faster rate than it can be absorbed. Everyone should be concerned about air
pollution
. It affects us all, and as it continues to worsen, so the environmental impact increases. One of the major causes of air
pollution
in cities is car
use
. Cars are used for even the shortest of journeys, and all efforts by governments to encourage people to
use
public transport seem to be failing.
Industry
Suggestion
The industry
is another major cause of
pollution
in our cities, but fortunately, new industrial sites are being built away from large urban centres. It is said that there are too many contributing factors for us to decide exactly which one is the main problem, but I believe that one of the most serious problems that needs tackling is the
use
of the car. In some cities laws have been passed concerning car
use
. Athens,
for example
, only allows a certain number of cars into the city centre each day. In my opinion,
this
is a good idea. With
this
kind of law people have no choice and are forced to
use
buses and trains.
This
ensures governments know that public transport will be used, and can
therefore
justify the investment and expense of ensuring the system works properly. Another thing governments could do is to force people to have their cars checked for carbon emissions and fine people with cars that produce high levels of harmful gases.

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