U.S. server facilities are riddled with underused machines, report says.
SOURCE:The Great Energy Challenge
DESCRIPTION:
In nearly 3 million data centers across the United States, some 12 million machines serve up the emails, web pages, and files we access online every day. They're the repositories of all our computerized information.
The high energy demand of those servers is well documented, but up to 30 percent of them are drawing power without actually doing anything.
KEYWORDS: Energy, National Geographic, energy efficiency