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Cloud computing can deliver a more efficient use of computing power, but in some cases it consumes more energy than traditional in-office computing.

Cost, scalability and instant access are all reasons for companies to embrace cloud computing services, but the argument that it's a much greener option warrants further examination. Cloud computing, can deliver a more efficient use of computing power. But according to a report to be released later this month from University of Melbourne researcher Rod Tucker and his team, in some cases it consumes more energy than traditional in-office computing.