John Bohmer’s Kyoto Box won the $75,000 Financial Times and HP Climate Change Challenge today thanks to an ultra-cheap and simple design with the potential to provide cooked food and clean water to ...

It looks so simple, and that's the key innovation. The Kyoto Box consists of two cardboard boxes, one inside the other. The inner box is painted black to absorb sunlight, and the heat is trapped with ...

We all hate packaging, but the Kyoto box is that rare thing — a cardboard carton that’s part of the solution. It’s also the winner of Forum for the Future’s Climate Challenge competition with HP and ...

Think humankind discovering fire was revolutionary? How about a cardboard box that uses the sun’s rays to cook without burning firewood? That’s precisely what the Kyoto Box, a cardboard solar cooker, ...

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 ...