Eco-Scope Bihar Harvesting water, the answer to looming water crisis  By Prof Ashok Kumar Ghosh   Demand for water is growing worldwide including India, as everybody on earth   now requires almost double the amount of water needed five years back.With urban India growing by leaps and bounds and rural India trying to increase agricultural productivity, we are expected to experience a severe water crisis by 2020, and the per capita availability of water is projected to be less than 1,000 cubic meters.The shortage of water points to a grim situation as it is bound to adversely affect...