Overpopulation.
Growing industrialization.
Climatic Changes.
Extensive Farming.
Increased Urbanization.
Deforestation.
IF THE ENTIRE WORLD'S WATER WERE FIT INTO A 4 LITRE JUG, THE FRESH WATER AVAILABLE FOR US WOULD EQUAL ONLY ABOUT ONE TABLESPOON !
One of the most efficient ways to manage water resources is by the construction of dams across the rives. This allows the collected water to be distributed in a streamlined manner. It also helps in producing Hydro-electricity.
Rainwater harvesting is one of the easy and important methods that helps in recharging the groundwater.