Over 150 million households in India rely on burning firewood for cooking, resulting in 500,000 annual deaths from indoor air pollution, mostly among children under 5. Smoke from inefficient cooking stoves contains harmful pollutants like particulate matter and carbon monoxide. Envirofit produces improved cookstoves that reduce fuel use by 50%, emissions by 80%, and time spent cooking by 50%, while retaining the same taste of food. Their stoves have positively impacted over 400,000 people in India.