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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Aozhixuan eucalyptus propolis liquid is the achievement combined the Australian green source with high biological technology.

澳之选桉树蜂胶液是澳洲绿色天然资源与高科技生物制药技术的最佳结晶。

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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