Burkina Faso – Revive dry lands by digging holes in the desert with the zaï method. You fill these holes with organic matter and voilà ! Well there is a little bit than that ! I will let you find by yourself. Thanks Yacouba Sawadogo!
There are not so many systems you can find on the net that are focusing on recycling specifically cell phone batteries. On top of that, most if not all are based on one principle: batteries must be melt down in order to start the recuperation process. This system, invented by Farouk Tedjar and Jean-Claude Foudraz […]
Aquaponics produces proteins and vegetables at the same time. All organic. Use 90% less water. One square meter of aquaponics is the equivalent of eight square meters of traditional farming in terms of harvesting.