Mae cwrdd â gofynion ynni  y dyfodol yn hanfodol i'n cymdeithas.

Choose your topic:

• Energy Resources [FREE] - The resources we use for electricity generation, heating and transport

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• Non-Renewable Resources [FREE] - Coal, oil, gas and nuclear fission

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• Renewable Resources [FREE] - Wind, solar, hydro, wave and tidal

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• Conservation and Efficiency [FREE] - Energy cannot be created or destroyed, just transferred

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• The National Grid - How electricity is transferred to our homes

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