leaving your monitor on with the screen saver going can actually burn a lot of energy. For large organizations, this can be huge -- so much so that recently, Telstra, Australia's largest phone company, went to all-black screen savers on their 36,000 corporate PC's. Telstra claims this move is the equivalent of taking 140 cars off the road for a year.
What's curious about the Telstra move is that they could have saved even more energy by simply setting their displays to turn off after a few minutes. This is easily done with modern operating systems and displays.
With the price of energy skyrocketing nowadays, short of buying a hybrid car, this is one of the easiest things folks can do to help out.
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