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Use efficient light bulbs →
LED lights are the most efficient of the bunch. The average house in the UK has 33 light bulbs. That's a lot of saving.
52kg CO2 saved?
Use environment-friendly refrigeration →
Appliances such as refrigerators and air conditoners use gases that are extremely harmful. Look for CFC and HFC free appliances.
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Use rechargeable batteries →
More expensive up-front, but cheaper in the long-run and more environmentally friendly.