AIR - Cooking up clean air in Africa: Reducing air pollution and meningitis risk in Ghana

They're little more than a pile of burning sticks with a stewpot atop them. But these open fires or basic cookstoves have been linked to the premature deaths of 4 million people annually, many of them young children.

http://phys.org/news/2013-01-cooking-air-africa-pollution-meningitis.h