Amazon's James Hamilton identifies some of the areas of contention around Power Usage Effectiveness (PUE), and then proposes a new standard called tPUE (Total Power Usage Efficiency).
A new report from the Pew Charitable Trusts provides a state-by-state breakdown of job growth related to the "clean energy economy."
Reclaiming wasted cooling capacity which results from hot air leakage and cool air bypass is possible with an intelligently managed cooling distribution system.