Biomass

photo by Matthew Logelin

The problems: 1) Indoor air pollution in the developing world caused by cooking fires and sooty illumination results in an estimated 1.6 million deaths per year, 2) Deforestation resulting from over use of wood as an energy source causes serious ecosystem degradation in many parts of the developing world.

A solution, as Envirofit sees it: New cookstoves, which while still burning biomass (wood, crop waste, dried animal dung) reduce indoor air pollution by 80%, reduce fuel usage by 50% and decrease cooking times by 40%.
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