Easy-to-Make Cardboard Solar Cooker

Reader Contribution by Heidi Hunt
Published on April 28, 2009
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Solar box cookers have been popular with campers and back-to-the-landers for decades. The Kyoto Box solar cooker, an updated design, has just won first place in the Financial Times Climate Change Challenge.

According to an article in Green Futures magazine, “The Kyoto Box uses the greenhouse effect to boil and bake. This solar cooker consists of two boxes, one inside the other, with an acrylic cover, which lets the sun’s power in and traps it. Black paint on the inner box and silver foil on the outer help concentrate the heat, while a layer of straw or newspaper between the two provides insulation. The cooker’s promise to alleviate some of the wood-collecting requirements for women and girls around the world is apparent.

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