Improved Cookstoves for the rural housewife – giving off far less smoke and using less fuel.
Low Cost drip irrigation
Bio-gas making gas for cooking out of waste.
SRI Rice A system of growing rice that increases yield dramatically.
A Litre of Light – simple low cost source of light for homes where electricity is limited or non existent. Do it yourself using just a litre plastic bottle, filtered water, and some bleach.