The carbon footprint of a Google Search

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IT research firm Gartner estimates Google's data centres contain nearly a million servers, each drawing about 1 kilowatt of electricity. So every hour Google's engine burns through 1 million kilowatt-hours. Google serves up approximately 10 million search results per hour, so one search has the same energy cost as turning on a 100-watt light bulb for an hour. (Full)
Discovered via Daily Good


Anonymous,  11 April, 2010 02:58  

I'm in the camp that thinks these numbers don't add up. As one response lays out here:

I also highly doubt that energy costs would scale up linearly as search numbers increase, even if all the rest of it was correct.

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