Rainwater Harvesting

Rainwater harvesting is one of the best system, introduced in Tamil Nadu, a southern state of India. This system is basically designed to collect the rain water and storing it for future purposes. Tropical countries like India should follow this system as the scarcity of water is increased in recent years. The failing of monsoon and other changes in climatic factors has disappointed humans in every possible way. So it's better to have a solid backup plan to store the resources and use it for future purposes.