08 Sep '11, 5pm

Gmail is 80 times more energy efficient than local email servers:

Gmail is 80 times more energy efficient than local email servers:

There are a lot of benefits to cloud computing. For instance, if you believe the commercials , it lets you replace your family's heads with better heads! Also, it saves you storage space and means you can access your data with multiple devices. But this might be the best argument so far: Switching from local email servers to a cloud-based service like Gmail could make companies 80 times more energy-efficient . In fact, a full year of Gmail requires less energy than it takes to make a bottle of wine (both the wine and the bottle), drink it, put a message in it, and throw it in the ocean. (Plus, it saves on message-bottle pollution.) Google did this analysis of itself by itself, so take this with the concomitant grain of salt. But it makes sense that using fewer servers to capacity would be a lot more efficient than having more underused servers firing all the time. And thos...

Full article: http://www.grist.org/list/2011-09-08-how-gmail-saves-energy

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