The Economist  为你, 千千万万遍

February 25th-March 03th 2017

lean energy's dirty secret

Wind and solar power are disrupting electricity systems
ALMOST 150 years after photovoltaic cells and wind turbines were invented, they still generate only 7% of the world’s electricity. Yet something remarkable is happening. From being peripheral to the energy system just over a decade ago, they are now growing faster than any other energy source and their falling costs are making them competitive with fossil fuels…

Feb 25th-Mar 3th, 2017:
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