Wind power is a green source of sustainable energy.

风能是一种绿色的可再生能源。

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As the most clean and green source of energy, Wind energy naturally becomes the focus of national research.

风能作为最清洁、环保的能源，自然成为各国研究的重点。

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The production of hydrogen using nothing but water and sunlight offers the possibility of an abundant, renewable, green source of energy for the future for communities across the world.

而此过程生产氢气只需水和阳光，就能源源不断地提供大量的绿色能源，供未来社会使用。

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What was once considered noise pollution could soon become a green source of energy.

FORBES: Written by Bryan Nelson

This supply of low-cost natural gas will allow the U.S. to transform its electricity production into a green energy source at scale.

FORBES: U.S. Energy Independence - So Close, Yet So Far

As efficient lighting technologies, like LEDs, go mainstream they become almost like a new source of green energy.

FORBES: A New Source of Green Energy: LEDs