Eco club went around school and put small posters up in classrooms and communal areas to act as a reminder to pupils and staff to turn lights and electrical equipment off.
Disgrifiad o'r gweithgaredd
Bydd disgyblion yn nodi’r holl offer TG, teclynnau a goleuadau drwy’r ysgol ac yn nodi pa rai y gellir eu diffodd gan ddefnyddio system codio goleuadau traffig.
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