Dros y y llynedd defnydd nwy eich ysgol oedd 150,000 kWh a chynhyrchodd 31,000 kg CO2. Mae hyn yn rhy uchel. Defnyddiodd ysgolion eraill o faint tebyg 120,000 kWh. Gwnewch yr un peth a'r ysgolion hyn ac arbed £3,500!
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
Well done, you have scored 20 points so far and you're in 20fed position on the scoreboard. Complete your next activity to climb higher up the scoreboard!
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