Explain the concept of rainwater harvesting.

Rainwater harvesting itself means storage of the rainwater for future use. This storage of water can be used for a variety of purposes. Even the process of recharging of the groundwater is done by the rainwater harvesting, but this recharge of groundwater is the natural process. The rainwater harvesting is one of the most efficient ways of utilization of water with least cost and natural process. Rainwater harvest increases the availability of the groundwater, improves the quality of the groundwater and increases the fertility of the soil