pollution It is concerned with air pollution.
pollution Cut down noise pollution.
pollution A new law is expected to cut air pollution by 60%.
pollution The government is trying to get rid of pollution.
pollution Why has Japan let pollution get so bad?
pollution The pollution of our coasts is very serious.
pollution We must rescue the environment from pollution.
pollution Most creatures in the sea are affected by pollution.
pollution It's about time the government so that something about pollution.
pollution Car exhaust causes serious pollution in towns.