The chart below, drawn from the WEO, illustrates the size of the problem America faces.

下方的图表取自WEO，展示了美国所面临问题的严重性。

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People began to be aware of the importance of environmental protection after the weo sand storms.

在经历了两次沙尘暴后，人们开始注意到环保的重要性。

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To achieve this, the WEO estimates that renewable and carbon-efficient fossil-fuel energies will have to expand their share of the energy mix from 19 to 26 percent by 2030.

要达到这个目标，该报告估计，再生能源和节能型碳化石燃料将它们在能源结构中的比重必须由19%提高到2030年的26%。

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The WEO report called on all governments to act quickly to "steer the world towards a cleaner, cleverer and more competitive energy system".

CNN: Report urges fuel revolution

The WEO champions the role of nuclear power, saying it could make a "major contribution to reducing dependence on imported gas and curbing CO2 emissions".

BBC: World risks 'dirty' energy future

The WEO expects China and India to account for over half the incremental energy demand, while the Middle East is predicted to become a major new demand center.

CNN: Report urges fuel revolution