On a global scale, 77% of energy is created from fossil fuels.

全球77%的能量产生自化石燃料。

《牛津词典》

China is expected to increasingly determine how energy is used on a global scale - from the types of cars auto companies manufacture to the kinds of power plants that are built.

预期中国将在越来越大的程度上决定全球如何使用能源，从生产什么汽车，到建造什么电厂。

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While the residents of Samso can take advantage of their island's blustery weather, open spaces and low-population density to be carbon neutral, the success of wind energy on a global scale may come down to simple economics.

CNN: Striking a blow for wind power

That's because meeting global energy needs requires constant investment on a scale unmatchable by economically uncompetitive sources like solar, wind and biofuels.

FORBES: CERA Week

While presently only 0.03 TW of energy was extracted from wind in 2008, and there is room for a considerable expansion of this technology with relatively insignificant effects on the climate, any future expansion on a global scale must take account that the potential for extraction of wind energy is finite according to the nature of the Earth system.

FORBES: Researchers Warn Of Climatic Consequences To Harvesting Wind Energy On Mass Scale