Firstly, air pollution, noise pollution; water pollution seems to be not often appearing in the country
First, pollution of all forms such as air, noise and water, do not affect the country side the way they do affect the city.Obviously, notno man but wants to livinglive in this poisonous environment.
Obviously, not man but wants to living in this poisonous environment. Not only children but also everyone will feel more comfortable when they live in a natural place, enjoying fresh air. Children may sense healthier and happier than children living in the city because these pollution may affect on their brain making children always under tired and upset condition. Therefore, the heavily poisonous is never a good condition for children to develop.
.... you keep talking about the negatives of pollution, but do not give a proper example for your primary reason that you cited. Your reason is that countryside is less polluted and city is more. So, give an example to show this contrast.