Facebook server building SwedenFacebook chose to build its latest data storage facility 60 miles south of the Arctic Circle in Sweden because colder temperatures eliminate the need for air conditioning.

The company’s massive Nordic operation—to house tens of thousands of servers—will save millions of dollars on electricity while cutting their potential carbon emissions.

Plus, the buildings are designed to capture some heat from the servers and use it to warm employee offices.

(READ story, with photos, in Smithsonian.com)


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