Even the upper atmosphere is polluted.
This district is notorious for air pollution.
There's a sensible increase in air pollution.
The heavy traffic tinctures the air with carbon monoxide
Environmental pollution is causing abnormal weather conditions.
The municipal council all but ignored the gravity of the pollution.
The city is most famous for its automobile industry.
This town is famous for its apples.
Air pollution affected all who lived there.
Air pollution is a serious problem in this country.
The air was infected with photochemical smog.
The town is famous for its hot spring.
The atmosphere in a large city is polluted.
That town is famous for its beautiful park.
That town is famous for castles.
Automobile exhaust has been incriminated in air pollution.
Environmental pollution is causing abnormal weather conditions.