Wood has been used as a cooking fuel for millions of years. Today 2.6 billion people still burn wood and charcoal to cook their meals and heat their water. Most of these people live in sub-Saharan Africa and poorer parts of Asia, including areas of India, Bangladesh, Indonesia and Cambodia.
The most common cooking method is to use three stones to support a pot with a fire underneath. Sticks are fed in to keep the fire burning. In many situations — for example when it is wet, cold or dark — people cook indoors with no chimney to let out the smoke. Those doing the cooking are always women, often with babies strapped to their backs and young children playing around them.
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