Beware: Cloud Computing’s Green Claims Aren’t Always True

A recent report from the Carbon Discloser Project shines a green light on cloud computing, but an efficient cloud still could be using dirty power

Cloud computing must be green. After all, those who provide cloud computing technology say so, most cloud advocates say so, and even those who check up on such things say so.

Take the Carbon Discloser Project, for example. It just published a report on cloud computing and carbon emissions, “Cloud Computing: The IT Solution for the 21st Century.” The conclusions were exciting: “The results show that by 2020, large U.S. companies that use cloud computing can achieve annual energy savings of $12.3 billion and annual carbon reductions equivalent to 200 million barrels of oil — enough to power 5.7 million cars for one year.”

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