1. Waste collection and disposal, solid, liquid and gaseous wastes ..
2. Traffic Management
3. Simple healthcare management tool
Besides I can think of yet another great innovation opportunities in the area of urban housing, urban transport and urbanisation. Water would be the commodity on which future wars would be fought, says this report from Dr Upmanu Lall, Director of Columbia Water Centre. Effective water management practices covering Rainwater harvesting, waste water processing and recycling are exciting areas which can bring great benefits to mankind.