Kevin Salwen and his daughter, Hannah, are the authors of "the Power of Half: One Family's Decision to Stop Taking and Start Giving Back."

Kevin Salwen和他的女儿Hannah，是《一半的力量：一个家庭关于停止索取开始回报的决定》的作者。

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The project — crazy, impetuous and utterly inspiring — is chronicled in a book by father and daughter scheduled to be published next month: "The Power of Half."

这项疯狂、猛烈、十足鼓舞的工程被父女两人写入书中，这本名叫《一半的力量》的书籍计划在下个月出版。

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More than half of all residential power goes into running household appliances, producing a fifth of the world's carbon emissions.

超过一半的居民用电用于运行家用电器，并产生了全球五分之一的碳排放。

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The technologies of the 21st century are still largely powered by the dirty coal power of the past, with over half of the companies rated herein relying on coal for between 50 percent and 80 percent of their energy needs.

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The biggest of these data factories are packed with 400, 000 servers and consume 250 megawatts of power, half the output of a small nuclear power plant.

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The deal has been helped along by the courts, which have recently upheld a power purchase agreement it had with National Grid to buy half of the power that it would generate.

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