Authorities should take various steps to mitigate the air pollution problem that ........................................ a serious threat to people’s health.

Young people ........................................ from the countryside to cities in search of job opportunities.

Affordable ........................................ might result in a higher quality of life for low-income people.

Government should ........................................ policies that can curb heavy traffic congestion.

The major contributors to carbon . ........................................ are food, consumption, transportation, and household energy.

The ........................................ of living in urbanized regions has risen sharply over the last decades.

Authorities should take various steps to ......................................... the air pollution problem

There are several measures to raise the living ......................................... of urban residents.

Green spaces provide an ......................................... look of the large metropolises.

Many inhabitants of large cities claim that the ......................................... pace of urban life is the main culprit of stress and depression.