A woman adjusted her mask as she walked past Beijing apartment buildings shrouded in smog. Andy Wong/Associated Press A woman adjusted her mask as she walked past Beijing apartment buildings shrouded in smog. Snappily titled the “Six stops and one wash,” the Beijing city government has announced a new and complex string of regulations to combat the effect of persistent, heavy air pollution on the populace. A key rule will allow private vehicles to drive only on alternate days when pollution is especially bad. The new measures , announced Thursday, came as air in the capital was “heavily polluted,” according to government air quality readings. Air pollution is a chronic problem in large parts of China. The regulations consist of a system of four colored alerts that will kick in when either one or three days of heavy pollution are forecast, and come as the World Health Organization’s cancer […]