New York Times: Jiang Kejun may be one of the few Beijing residents who see a ray of hope in the smog engulfing the city. A researcher in a state energy institute, he is an outspoken advocate of swiftly cutting China's greenhouse gas output, and he says public anger about noxious air has jolted the government, which long dismissed pollution as the necessary price of prosperity.
The grimy haze blanketing Beijing and other Chinese cities comes from motor vehicles, factories, power plants and furnaces that also...