Wind power is a very clean source of energy.

风能是一种非常清洁的能源。

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Wind power is a very popular source of energy.

风力是一种非常受欢迎的能源。

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The success of wind power represents a litmus test for renewable energy.

风能利用的成功是对可再生能源的一次立见分晓的检验。

《柯林斯英汉双解大词典》

He talked about ways that tribes could more easily develop clean energy such as solar power and wind energy.

VOA: special.2009.11.13

and use things such renewable energy, putting up wind and solar and biomasses, et cetera,

推广可再生能源的使用，推广风能，太阳能，还有生物质能等等新能源的使用，

全球变暖与国力 - SpeakingMax英语口语达人

Many people think the search for cleaner energy leads only to renewable resources like sun,wind and water.

VOA: special.2009.10.23

With green energy the rage, along have come First Trust Global Wind Energy and PowerShares Global Wind Energy.

FORBES: How To Avoid ETF Pitfalls

For example, a Duke Energy wind farm project in Texas received an environmental waiver in addition to millions in funding.

FORBES: Polluters Get 'Green' Funding

According to Sam Peacock from Scottish and Southern Energy wind farms projects also brought fundamental benefits to communities such as job opportunities and visitor centres.

BBC: Environment and Sustainability Committee