Statement:
Should government make it mandatory to make rooftop rainwater harvesting for every builder in the city?
Arguments :
I. Yes, in a scientific study, it has been established that we can capture and recharge 65,000 liters of rainwater in Delhi from a 100-sq-m size rooftop and meet drinking and domestic water requirement of a family of four for 160 days.
II. Yes, the ground water level in some areas is falling at the rate of one metre per year and compounding water crisis problem.