Oeddech chi'n gwybod y gallech chi arbed £660 bob blwyddyn pe baech chi'n gostwng y tymheredd yn yr ysgol 1°C? Dywedwch wrth eich pennaeth beth hoffech chi ei wneud gyda'r holl arian yna!
Penwythnos diwethaf defnyddiodd eich ysgol 390 kWh o nwy, a fydd wedi costio tua £23. Gofynnwch i reolwr y safle ddiffodd y gwres ar y penwythnos i arbed ynni!
You have completed 0/8 of the activities in the Byddwch yn Egniol! programme Complete the final 8 activities now to score 70 points and 30 bonus points for completing the programme
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