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The iconic, compact fluorescent lightbulb is dead: meet its next generation replacements that are brighter, more efficient, longer-lasting, and mercury-free

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If a CFL bulb lasts for longer than 50hrs, then the total life cycle energy consumption of the CFL will be lower than that of an incandescent bulb even though they are more complicated to make.

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In China, however, a heavy environmental price is being paid for the production of “green” lightbulbs in cost-cutting factories.

Large numbers of Chinese workers have been poisoned by mercury, which forms part of the compact fluorescent lightbulbs. A surge in foreign demand, set off by a European Union directive making these bulbs compulsory within three years, has also led to the reopening of mercury mines that have ruined the environment.

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