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 recyclable and don't flush the toilet unnecessarily.
9.Don't throw old toys and clothes away,but pass them on to other people.
10.Turn off lights when they are not needed.
11.Using special low-energy light bulbs.
12.Turn off water when they are not needed.