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Last updated at 10:26 BST, Tuesday, 22 April 2014

Air pollution in China

Smog in Beijing

Smog fills the air over the streets of Beijing

Officials in China are dealing with a serious problem that's affecting people's health.

At certain times, the air in big cities such as Shanghai is so polluted people cannot go outside.

The dirty air, known as smog, is a combination of weather conditions, fumes and smoke from cars and factories.

Rob and Finn discuss what is being done to clean up the air and explain some pollution-related vocabulary.

This week's question:

According to research by the World Health Organisation, which country has the city with the world's worst air pollution? Is it:

a) China

b) India

c) Iran

Listen to the programme to find out the answer.


Air pollution in China

End of Section


air pollution

particles that make the air dirty and difficult to breathe


mixture of smoke, gases, chemicals and fog


(here) preventing people from breathing properly


made dirty or less pure


a slang term used to describe poor quality air that is difficult to see in


strong-smelling and dangerous gas


having lots of heavy industry


very harmful and could cause death


medical condition that makes it hard to breathe


(here) better for the environment

renewable energy

power made from natural resources that never get used up



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