AFTER a third decade living on the banks of the River Angke in Kapuk Muara, West Jakarta, Diman hasnt changed. The 60-year-old continues to discharge all sorts of waste materials, including foamy water from detergent washing, into the river. The only thing that has changed is that he no longer relieves himself from a toilet built above the water, but from a bathroom in his house dozens of meters away from the riverbank. The waste materials are no