By WHO region of the world, use of improved domestic fuels (. LPG, kerosene) in rural areas vary from under 15 percent in Sub-Saharan Africa and South East Asia, to 33 percent in the Western Pacific developing region, and closer to 50 percent in Eastern Mediterranean and Latin American countries. The main types of unimproved fuels used in rural areas are firewood, dung and other agricultural residues, followed by charcoal and coal/lignite (Rehfuess et al., 2006). Indoor air pollution from SFU is generalized throughout the developing world. However, the health effects depend on many factors, including type of.
