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How much carbon? PDF E-mail

A multi-floor office that uses 200 100 watt tungsten light bulbs around the building (in storerooms, corridors etc) can save 16 kilowatts per hour if it replaced the 100 watt light bulbs with 20 watt energy-saving compact fluorescent bulbs. In a typical year this saves over 32000 kilowatt hours, or 14 tonnes of Carbon Dioxide. This equates to an annual saving equivalent to the weight of three African elephants!