Today many countries harvest rain to deal with their water scarcity. The rising cost of water as well as ecological concerns, have resulted in rainwater being accepted as a solution for water related problems. Growth of the city along with increase in population has resulted in rapid depletion of groundwater around the world. Rainwater harvesting can meet potable and non-potable water demands and also control flooding. Thus it has become necessary for the water authorities across different countries to adopt rainwater harvesting and conservation techniques.
The following are some of the countries, which are harvesting rain: