I nte r nati o nal e n g LI s h lan g uag e testi n g syste m

report 100% visibility in their downtown cores due to pollution. 

A possible solution 

to this problem would be for these cities to make the transition to nuclear power, 

as Shanghai has recently done. The improved cleanliness of Shanghai’s air acts as 

evidence that cleaner energy does make a difference.

Many health problems also derive from airborne pollution. Long-term exposure to 

motor vehicle exhaust, for example, has been linked to increased levels of respirato-

ry problems among children in the United States. 

This problem could be realistically 

addressed via a change to municipal traffic regulations. For example, some met-

ropolitan cities have imposed carpool lanes to help encourage people to commute 

together to work. This approach has proved its effectiveness in London, Toronto and

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IELTS Academic Task 2: How to write at a band 9 level

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New York City, and thus would be a plausible approach to pollution issues in other 

large cities.