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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We must work faster to change consumer behavior and develop alternative sources of power.

我们必须赶快行动改变消费者的态度，开发替代能源。

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STORING energy is one of the biggest obstacles to the widespread adoption of alternative sources of power.

对广泛应用替代能源来说，储能是一个大障碍。

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Some mountainous regions benefit from hydropower. Less than four percent of the nation's electricity demand is met with renewable sources like solar and wind power.

VOA: standard.2010.03.23

Solar power,in particular, is much more expensive than other sources of electricity.

VOA: standard.2010.03.23

The group released its annual report naming the 10 largest sources of power plant mercury pollution.

FORBES: Coal Plants Belching Out Less Mercury

Other sources of power could include a kinetic power source similar to those found on some wristwatches.

FORBES: Apple Patent For Solar Watch Could Fire Up Stock Again

The industry is also pushing the EPA to use regulation to raise costs on carbon sources of power.

FORBES: Too-Green-To-Fail Energy Policies Flunk Achievement Tests