Duniya bhar mein saaf paani ki availability kam hoti ja rahi hai. Groundwater level gir raha hai aur nadiyon ka paani bhi polluted ho raha hai.
Aane wale samay mein logon ko peene ke paani ke liye struggle karna pad sakta hai. Agriculture aur industries par bhi iska asar padega.
Is problem ko solve karne ke liye paani bachana, rainwater harvesting aur pollution control zaroori hai.