When you fire up your computer in the morning and go online, chances are you’re not thinking of the environmental impact of the Internet. You might be surprised. The server facilities that keep us all connected gobble up nearly two percent of the electricity used in the U.S. Generating all that power carries a big price tag – in the form of greenhouse gas emissions. Scientists and engineers in Silicon Valley are working to reduce the impact of a global network that we have all come to depend upon.

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