The second-most-hazardous energy source?

而第二危险源是什么呢？

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In November the International energy Agency predicted that renewable energy would overtake natural gas to become the second largest source of power generation worldwide within two years.

11月，国际能源机构预测，在两年内，可再生能源将取代天然气成为世界第二大发电能源。

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Image texture analysis of good source code can calculate the second-order texture characteristics: energy, entropy, local stability, inertial distance, and relevance.

详细说明：图像纹理分析的好的源代码，可以计算纹理的二阶特征：能量，熵，局部稳定性，惯性距，和相关性。

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The category includes petroleum, natural gas liquids, ethanol, biodiesel, coal-to-liquids and gas-to-liquids, and as you can see, the gap narrows between liquids and coal, but coal remains the second energy source to power the world.

FORBES: Big Demand-Supply Mismatch Argues For Higher Oil Prices

The second thing: Everybody sees energy as a prime source of growth in the future, and we're already slipping behind.

WHITEHOUSE: The White House