Telegraph: The “Kyoto box” aims to save lives in poor countries by allowing people to boil unclean water without having to cut down trees or gather sticks for firewood. The design, which costs five euros to make, also hopes to cut the number of people suffering from respiratory problems associated with smoke inhalation. Its creator Kenyan-based Jon Bohmer believes it could halve the need for firewood, saving two tons of carbon for each family that uses it per year. He won $75,000 …