One social enterprise is helping to transform lives with its clean energy, biomass cook stoves.
Colorado-headquartered Envirofit's stoves sell for between $15 and $30. They claim their stoves help to cut "smoke and toxic emissions by up to 80 percent and fuel requirements, costs, and cooking time by up to 60 percent," while CO2 emissions and black carbon are reduced up to 60 and 40 percent respectively.
Black carbon is particulate matter formed by the "incomplete combustion" of fossil fuels, biofuels and biomass, according to the United States Environmental Protection Agency, and can be detrimental to both the health of people and our climate.
Envirofit began with a pilot program in India. Today, its stoves are being used in over 40 countries worldwide.
"Our stove actually saves time, saves energy and also saves some money," Perminus Nyangena, Head of Manufacturing for Envirofit, told CNBC. Nyangena said that on average, "It saves up to 60 percent from the normal ceramic stoves… that is a lot. It is very fast, it reduces your time in cooking by half and it is reliable."