Напишите пожалуйста как правильно читать1)People have been polluting the planet on

Напишите пожалуйста как правильно читать
1)People have been polluting the planet on which they live for many years.
2)The result is very sаd.
3) We all live in a polluted world.
4)Pollution started in a small way, but than it began growing and soon we all shall be in danger.
5)The time has come to save our planet, to protect people, animals and plants from dying.
6)Firs of all countries should have strong laws to control pollution, to protect animals and plants.
7)Governments should be responsible for protection nature.
8)Today the law in some countries says: The polluter must pay.
9) If a person damages trees or animals, he must also pay.
10)But unfortunately such good laws dont always work.