Can This Search Engine Really Save The Earth?

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I came across a post over at PenName30 (which I found from searching through EntreCard) today that caught my attention. Now I’m all for the “going green” concepts as long as they are kept in balance with technology, but I just have to wonder if this one actually works. It is a Google powered search engine named Earthle that supposedly saves energy?! There is nothing fancy about the site as all results come directly from Google and the links are colored in green. Here’s a snippet from its creator on their about page:

Take at look at Google, who gets about 200 million queries a day. Let’s assume each query is displayed for about 10 seconds; that means Google is running for about 550,000 hours every day on some desktop. Assuming that users run Google in full screen mode, the shift to a black background will save a total of 15 (74-59) watts. That turns into a global savings of 8.3 Megawatt-hours per day, or about 3000 Megawatt-hours a year. Now take into account that about 25 percent of the are CRTs, and at 10 cents a kilowatt-hour, that’s $75,000, a goodly amount of energy and dollars for changing a few color codes.

Perhaps some of you who are reading this may have a bit more knowledge on how operating from a black screen actually saves energy and if so please explain in the comment section below;however, I definitely intend to do further research on this. But if not for any other reason I like the site because of the black background even though most so-called internet marketing gurus strongly advise against it.

UPDATE: I just found one more site that supposedly does the same thing and it’s called (drum roll please!) Blackle.com!

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