When Joyce Njenga replaced her traditional open-fire hearth with an energy-saving stove, she was pleased it lived up to its promised efficiencies: using less firewood and halving cooking times.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/pollution-burning-wood-coal-indoors-kill-28-million-every-year-iea
[2] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/firewood
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/coal
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/indoor-air-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kenya
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/africa
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/global
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kerosene
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chulhas-cookstoves