Does a Black Screen mean a Greener Google?
In a bid to attract the environmentally aware web user, Google have launched a new search engine called Blackle. The search engine was inspired by an article written by Mark Ontkush on the blog ecolron, this January. Ontkush claimed that if Google adopted a black screen in the place of its crisp, white background, a total of approximately 750 Megawatt-hours could be saved per year. Unfortunately for the world’s fossil fuels and the eco-friendly web user, Ontkush calculated this saving from the older CRT monitors, rather than calculating an estimate from the more modern and energy efficient LCD screen. It is believed that nearly three quarters of all monitors, which are used all around the world, are LCD (liquid crystal displays) screens. It is true that a black screen can result in energy savings of about 5% to 20%, when used on a CRT screen. However, tests done by Cadmus have shown that a bright (coloured) screen makes no tangible difference in energy consumption to a dark (black) scr
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