Challenges remain, but wind is part of China’s blue-sky thinking



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China Windpower 2015 (CWP) certainly started off auspiciously enough.

The skies above Beijing were uncharacteristically clear and sunny on 13 October, the day before the nation’s top wind-energy talking shop kicked off. The US embassy’s air quality index (AQI) for harmful particulate matter (PM) came out at a reasonable PM2.5 reading of just 42, posing little or no risk to human health.