The BBC reports on an ingeniously simple oven which has won this year’s Forum for the Future Climate Change Challenge. Designed for use in the Third World, the Kyoto Box is made with cardboard and acrylic, packs flat for transportation, and costs less than $7 to manufacture. It harnesses the power of the sun to sterilize water and cook food without the need for electricity, gas, or—most importantly—firewood.
Granted, it may not be as fast as a microwave, but it can boil an impressive 10 liters of water in around two hours. Eliminating the need for firewood saves money, reduces greenhouse emissions, slows deforestation, and even helps save some of the many lives lost to indoor smoke inhalation each year.
Maybe someone should tell Alice Waters that she can finally get rid of that in-kitchen hearth of hers.