Deploy virtual machines. Virtual servers save energy by enabling greater utilization of CPU capacity.
Use cleaner power. Factor the source of electricity into decisions to site new data centers. For example, hydroelectric power generates fewer emissions—and costs less—than power plants run on fossil fuels.
Buy energy–efficient equipment. Consider, for example, how much power a server will consume when you calculate the total cost of ownership. Vendors may not offer this information in their marketing materials, but you can ask them for it.<
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