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Many institutions including the World Health Organisation (WHO) have backed these claims but to date no scientific evidence has been gathered.
The University of California at Berkeley's Center for Evaluation of Global Action (CEGA) is undertaking the first study of solar stoves, evaluating the impact of the stoves on the lives of the families who bought them six months ago. The families live in the Thiès region, 70km east of the capital Dakar.
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