Rainwater harvest is best represented because the technique by that rain water is accumulated and keep with the intention of reusing it throughout the season or once there's a drought. With fast environmental condition changes, increase in world temperature and population growth, there is a insufficiency of potable water in several countries across the world. The gradual falling of water levels, are a explanation for serious concern not solely as a result of it results in shortage of usable water however additionally because in coastal areas it causes imbalance in salinity of the area.
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