out line/pollution/

out line

Introduction

 A-definition of pollution

B-definition of air pollution

 body 

A-the causes of air pollution 

1-carbon dixoid

2-green house gases

3-industrial countries

B-the effects of air pollution

1-health

2-earth warmer

3-property

C-the solutions

1- input control pollution

2-out put control pollution

conclusion

my advice to the government in order to control pollution