Gmail: It’s cooler in the cloud

(Cross-posted on Gmail, Green and Enterprise blogs)

Cloud computing is secure, simple, keeps you productive and saves you money. But the cloud can also save energy. A recent report by the Carbon Disclosure Project (CDP) and Verdantix estimates that cloud computing has the potential to reduce global carbon emissions by millions of metric tons. And Jonathan Koomey, a consulting professor at Stanford who has led several studies on data center energy use, has written that for many enterprises, the cloud "is significantly more energy efficient than using in-house data centers."

Because we're committed to sustainability, we sharpened our pencils and looked at our own services to see how they stack up against the alternatives.

We compared Gmail to the traditional enterprise email solutions it's replaced for more than 4 million businesses. The results were clear: switching to Gmail can be almost 80 times more energy efficient (PDF) than running in-house email. This is because cloud-based services are typically housed in highly efficient data centers that operate [...]

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