Kevin Donovan, data center manager shows the ambient temperature in the innovative racks in the data center at the U.S. National Renewable Energy Laboratory Research Support Facility (RFS) in Golden, ... more 
Kevin Donovan, data center manager shows the ambient temperature in the innovative racks in the data center at the U.S. National Renewable Energy Laboratory Research Support Facility (RFS) in Golden, Colorado September 4, 2013. The data center captures waste heat for use in the building. The 800 occupants of the RFS building consume only the amount of energy generated by renewable power on and near the building. REUTERS/Rick Wilking (UNITED STATES - Tags: ENVIRONMENT ENERGY) less 
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Reuters | Photo By RICK WILKING / REUTERS
Mon, Sep 9, 2013 12:44 PM EDT