Water Engineering and Development Centre
Globally, almost 3 billion people rely on biomass fuels (wood, charcoal, crop residues and dung) and coal as their primary source of domestic energy. Biomass fuels have been associated with Indoor Air Pollution (IAP), which is a major risk factor accounting for 4% of the global burden of disease measured by Disability Adjusted Life Years (DALYs) lost.
In developing countries 28% of deaths in children under 5 years of age are associated with Acute Respiratory Infections (ARI). The sources of fumes and particulates are either outdoor or indoor.Indoor exposures are of greater concern because concentrations are often much higher and greater time is spent indoors by vulnerable population sub-groups, including young children (USAID 1997).
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