* Outline *

**Pollution (prewriting)**

*Causes of the problem:

     -cars .                        -factories.

   -smoking.                  -burning rubbish.

   -insecticide .             -chemical factories.

*Effects of the problem:

    -high temperature.     -accident and fighting.

   -low motivation to work.

   -new diseases.

*Solutions of the problems:

    -traffic rules.             -Industrial rules.

  

   -making people more conscious about the problem
and other public cases.