Huffington Post: Cooking and eating--caring for our families at home, moving onto work, school and markets, and then back home again. These are universal rituals that fill our days and the lives of people the world over. And yet there is an unrecognized health threat lurking in the shadows of our most basic routines: air pollution.
It may appear as a faint haze on the urban horizon. Or it may be visible, as black and billowing smoke pouring out of the kitchen of a poor rural home. According to the latest World...