air pollution

Now we are talking about a serious problem that has ben affecting some of the big cities in China or all over the world: that's air pollution.

Which is better known as smog, smog is polluted air that is a mixture of smoke and fog, is not a nice thing to breathe in and also not good for your health.

Pollution is a word that can describe anything that damages something that is pure.
like light pollution is when a pure dard sky is contaminated,or spoiled by street lights and lights in the city.

And noise pollution is when loud or annoying sounds like traffic noise spoil a quiet and peaceful environment.

But the smog affecting our cities is a form of air pollution-clean air has become dirty.

Smog used to be a problem in other world cities like London, where a combination of fog and smoke from factories and trains sometimes made the air quite dirty and dangerous.
And in Los Angeles, fumes - that's the bad gases from car engines - and poor weather conditions used to cause poor air quality.

Generally, the air is a threat to public health.

According to research by the World Health Organisation, do you know which country has the city with the world's worst air pollution?

Is it a) China. b) India or c) Iran?

May be your answer is China?
But actually is Iran. Iran Ahwaz.

Now the air pollution problem is very serious problem in our life, let change it together, before it changes you!

For more details, welcome to contact us for more.