Sun, water and wind will be the main sources of power.

太阳能，水能和风能将成为主要动力源。

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Yet, compared with other power sources, the green credentials of wind are pretty convincing: it creates no waste, USES no water and (unlike solar panels) doesn't need much room.

尽管如此，与其他能源相比较，风能的环保资质是足够令人信服的：不产生残渣，无须用水，而且(不像太阳能板)占地空间很小。

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Also aiding in the reliability of a system running completely on wind, water, and solar power, the authors say, is that it would need about a third less energy than a fossil-fired system.

另外，作者提到，为了维护完全依靠风能、水能和太阳能系统运营的稳定性，要借助第三个较少的能源，而不是靠化石燃烧的系统。

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The centre, which opened in 1975, contains a range of interactive displays on wind, water and solar power, green transport and energy efficiency.

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Wind power is cheap, clean, uses no water, and emits no pollutants.

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