Two Million Die From Air Pollution Annually
October 05, 2006
Crowded roads in Tehran, which has frequent air-pollution alerts (Fars)
The WHO said that in many cities, particularly in the developing world, the level of small-particle pollution is three times the WHO-recommended level.
Small particles, caused mainly by burning fossil fuels, are too small to be filtered in the nose and throat and settle in the lungs, where they cause health problems.
(AFP, AP, dpa)