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How green are clouds?
The answer to that question has been as difficult to pin down as the origin of cyberspace itself. That is, until now! As reliance on cloud computing services continues to grow, the once intangible concept has manifested as data centers – physical storage facilities for our virtual information. Today, we know that a cloud is only as “green” as its data center, but efforts to quantify the physical impact of our virtual actions has revealed that our understanding of the operations and efficiency of these centers is cloudy at best (pun intended).
