云是传递能量的工具，借助天气系统，它们将太阳能从温暖的热带输送到地球上其他的区域。
Clouds are vehicles for energy. They carry solar energy from the warm tropics to other parts of the globe through weather systems.
法国、荷兰与英国的其他一些公司也正在设法借助脚部产生的能量让灯泡发光。
Several other French, Dutch and British firms are using foot power to keep the lights on.
借助法规要求同样也是通行的做法，在各州，通过诸如风能和太阳能之类的可再生能源，推动发电机来获得更多的能量。
Using regulatory mandates has also been a popular way, at the state level, to nudge electricity generators towards getting more of their power from alternative energy sources such as wind and solar.
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