04/17/2012 01:54 pm ET

Apple, Google, Facebook: Whose Data Centers Are The Dirtiest?

While some companies (like Facebook) have made great progress in ditching dirty fossil-fuel energy for cleaner renewables, a few internet giants lag far behind. Climate Desk visited Maiden, North Carolina, for a close-up view of what will soon be one of the world's biggest data centers—owned by Apple and powered by the coal-heavy power behemoth Duke Energy.

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