Energy, Clouds, iPhones and Refrigerators

In the last few weeks an idea has been making the rounds that, when you count all of the required networks and cloud services, your iPhone uses more electricity than your refrigerator. This idea was first presented in a publication called "The Cloud Begins with Coal" by Mark Mills, and…

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Data Center Energy, Revisited

Knowing my longstanding interest in computing and sustainability, a number of people sent me the NYT article, Power, Pollution and the Internet on the inefficiencies of data centers (or as the link to the article says, "data-centers-waste-vast-amounts-of-energy-belying-industry-image.html"). Here are my thoughts on some of the points raised by the…

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Notes on Apple's Clean Energy Push in North Carolina

There's been a lot of press about Apple's major solar and fuel cell installation at its new data center in Malden, North Carolina. So far I haven't seen direct statements from Apple staff - all of the data seems to be based on an Apple document titled "Facilities Report: 2012…

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