1.Don't switch on electric fan when the room is cool.
2.Open the window when the wind blow.
3.Don't turn on tap when we don't use.
4.Water can be saved by taking showers instead of baths.
5.Encourage your parents to use biodegradable products for cleaning.
6.Using unleaded petrol cars is also environmentally friendly.
7.Don't throw rubbish on the road and waterway
8.Choose toilet paper which is recycleble and don't flush the toilet unnecessarily.