Question

Rainwater harvesting is a viable alternative. How???

Answer 1

Answer:

Rain water harvesting techniques are more environmental friendly as compared to multipurpose river project. ... Rainwater harvesting reduces pressure on existing water resources. 4. people had in depth knowledge of rainfall regimes and soil types and developed a wide range of rain water harvesting techniques 

Answer 2

Answer:

Rain water harvesting is a technique of preserving or storing rainwater. This method was initially started in Tamil Nadu.

Explanation:

(1)Rainwater harvesting is the fresh initiative for increasing the water available for agriculture.

(2)This method also lead to an increase in ground water level.

(3)It also reduces soil erosion.