The air of their ways: South Asia’s crippling pollution

Particulate matter is shortening lives and hobbling economies in the region. We ask how policy changes and international collaboration could mitigate the suffering as the pollution spreads. Our correspondent meets with two Russian men who, fearing being drafted, made a hair-raising journey by dinghy from their homeland’s far east. And why Seventh Day Adventists seem to live longer lives. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer