I think Population.
The main reason for facing water scarcity is because of our own deeds of OVER-USING,OVER-EXPLOITATION and OVER USING OF UNDERGROUND WATER......
There was a scarcity of water in the desert.
The countries that aren't experiencing water scarcity is Hawaii :|
Global water scarcity is that the world doesn't have enuff water to supply everyone on the planet.
A scarcity of water (for instance) can be fixed by supplying more water.
Somalia has scarcity of water food and medicine
Curling and wilting of leaves suggest scarcity of water in plants.
scarcity
scarcity
its the scarcity of water!
There is lot of water scarcity in my locality.
scarcity is the condition of being scarce or less. Usually associated with a certain quantity. Like scarcity of water in a desert. Scarcity of rain in a region