'Greening' Building-Sized Christmas Lights
Every year, Hong Kong lights up for the holidays. That is, they decorate their high-rise buildings in millions lights, all in dazzling displays and patterns. For years, the bulbs were a drain on the city's electrical supply, until the designers began to switch to energy-efficient, long-lasting LED lights. Consuming 80 percent less power than their incandescent brothers, the LED lights offer a way for the people of Hong Kong to enjoy their displays while doing their part to help reduce the amount of coal burned to keep the displays alive.
While one designer says LEDs are roughly 10 times more expensive than incandescent bulbs, their energy-efficiency and long lifespan more than make up for the initial investment. One can only assume the result would be the same anywhere, especially industrial facilities.
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