Third World requirements
Possibly the greatest immediate potential for direct conversion of solar energy lies in the developing countries of the Third World. These regions generally have high average insolation, and, apart from any rainy season, the incidence of below average sunshine is low.
The easiest means of obtaining a useful source of energy ! comes from thermal convertors. Very effective solar ovens are available for cooking purposes.. Many Third World countries are caught in an economic and traditional dilemma. Soil conditions are usually poor. Synthetic fertilisers are unavailable or too costly to buy. Cooking fires are usually fuelled by