Question

define rainwater harvesting

Answer 1

Basically Rain water harvesting is familiar concept of saving or storing the rain water directly by the easy method that can be obtained at home itself...
like roof top rain water harvesting the best example for this ...
due to the rain water harvesting...the water that is stored from rain can be used for the later purposes when there are crisis or shortage of water ......

Answer 2

Rainwater Harvesting is the process of collecting and storing rainwater for future use. If done properly, it can solve water scarcity to a large extent. It can prevent soil erosion, especially in mountain slopes where there is no vegetation. It can capture water from regions heavy rainfall, thus preventing floods in one region and drought in the other.