When its custodians noticed how unusually dusty the dinosaur area was getting, Aramark's technicians traced the problem to air flow from the cooling system and rejiggered it.

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They are curbing run-away energy with a combination of micro-level controls (for individual servers, power distribution units, air-flow controllers, and cooling units) as well as macro-level controls and policies (for racks of servers, rows of racks, and entire data centers).

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These plants need the fresh water flow from the river for cooling, processing, and to ship their product out to the Gulf.

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It uses so-called passive systems for cooling, such as the gravity flow of water and natural circulation based on thermodynamics.

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