1. Decálogo

2. 1.We must turn off the light when we
go out or we have a break

3. 2.We try to go to school by walk or by
bike.

4. 3.We must close the windows when the
heating is on.

5. 4.Lift the blinds to avoid turning the
lights on.

6. 5.We could use recycling paper to avoid
cutting down more trees or use the
paper bin.

7. 6.We have to close the tap when we
use the water to avoid spending
energy.
7.We shouldn't use
the cistern as bin.

8. 8. Don´t leave the computers on or
standby.

9. o make them.

10. 10.We should think about installing
inttermitent fountains to save water.