The hundreds of millions of livestock inhabiting the US could produce approximately 100 billion kilowatt hours of electricity, enough to power millions of homes and offices.
2
据Brown的一项美国环保局授权的研究表明，美国数据中心2006年度消耗610亿度电。
One study by Brown, commissioned by the us environmental protection agency, suggested that us data centres used 61bn kilowatt hours of energy in 2006.
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