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, ...

From cool, dewy European mountain ranges and humid Central Asian forests to the urban sprawl across North America and the arid landscapes of the African continent, millions of people are cooking with ...

Harness the power of the sun with this simple homemade solar cooker! Harness the power of the sun with this simple homemade solar cooker! With just a few household items, see how solar energy creates ...

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 ...

ed for just two dollars. The third kind of solar oven is a parabolic cooker. It has rounded walls that aim sunlight directly into the bottom of the oven. Food cooks quickly in parabolic ovens. However ...

When Louise Meyer and Dar Curtis invite guests over for dinner on a late summer afternoon, all the cooking is done outdoors. There are no charcoal grills or other fossil fuel-burning stoves to heat up ...

We have also invested considerable time and some money experimenting with the many ways to cook food with the sun. Just imagine! You can actually take scrap materials–old cardboard boxes, newspaper, a ...

From cool, dewy European mountain ranges and humid Central Asian forests to the urban sprawl across North America and the arid landscapes of the African continent, millions of people are cooking with ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. Kyoto Box is a cheap, solar-powered cardboard cooker for use in rural Africa, estimated to prevent two tonnes ...