Dros y y llynedd defnydd nwy eich ysgol oedd 640,000 kWh a chynhyrchodd 130,000 kg CO2. Mae hyn yn rhy uchel. Defnyddiodd ysgolion eraill o faint tebyg 520,000 kWh. Gwnewch yr un peth a'r ysgolion hyn ac arbed £15,000!
You have completed 3/10 of the activities in the Y Cwestiwn MAWR - Sut gall diffodd peiriannau helpu i leihau ein hôl troed carbon? programme Complete the final 7 activities now to score 80 points and 30 bonus points for completing the programme
Well done, you have scored 680 points so far and you're in 10fed position on the scoreboard. Complete your next activity to climb higher up the scoreboard!
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