1. In the developing world there is a huge and growing waste problem. Currently, 9 million people die every year due to the mismanagement of waste and pollutants. That's 20 times more people than die of malaria. If we ignore this waste problem, we will miss a key opportunity to save lives and create...
  2. The Arborloo method differs somewhat from the more traditional method of planting trees in old abandoned deeper pit latrines. With the Arborloo, both soil and wood ash are regularly added to the pit contents during the years of use. These additional ingredients hasten the production of humus and...