Quantifying China’s air pollution: http://www.economist.com/news/china/21661053-new-study-suggests-air-pollution-even-worse-thought-mapping-invisible-scourge Pollution is sky-high everywhere in China. Some 83% of Chinese are exposed to air that, in America, would be deemed by the Environmental Protection Agency either to be unhealthy or unhealthy for sensitive groups. Almost half the population of China experiences levels of PM2.5 that are above America’s highest threshold. …Berkeley Earth’s scientific director, Richard Muller, says breathing Beijing’s air is the equivalent of smoking almost 40 cigarettes a day…Also see #msg-66825687.