What we are doing in a village, can be done in each town. You can imagine, what happen to a twon like Medan, Jakarta or Singapore, if all walls and roofs are getting used for this? – All the citizen have a resource of fresh and organic food, what they don’t need to buy. The cllimate in the toons are getting much better. The temperature will drop dwon a few degrees. And it will be shadow in the towns. The leaves also produce oxygen and absorb the fine dust. It just has to be done everywhere by everybody. Where is the difficulty? just start!