Solar Cookers are one of the best ways to save the Earth and help people at the same time that I know. They are revolutionary: they harness a free resource that is readily available. Solar cookers have been used in the snow as long as there is sun. No one is ever killed in a war that is fought over obtaining the fuel for a solar cookers, and you don't have to destroy forests just to cook your food if you have a solar cooker. Solar cookers are cheap. Solar cookers have many advantages both in the developed and Third World countries.